Ethmoid bone is exceedingly light and spongy bone that provides the floor of the front part of the skull and the roof of the nose. It is roughly the size and shape of an ice cube, but is only a fraction as heavy. Synonym: ethmoidal The ethmoid bone forms part of the cranial cavity, the nasal cavity and the orbits. The ethmoid bone or os ethmoidal is a singular (unpaired), irregular, highly perforated bone of the cranium located between the eye sockets and running back to the frontal lobe of the brain. ethmoid bone (plural ethmoid bones) The bone of the skull between the eyes and at the roof of the nose. Definition. What made you want to look up ethmoid? [3] The ethmoid has three parts: cribriform plate, ethmoidal labyrinth, and perpendicular plate. Slippery Words Quiz—Changing with the Times. 3. Noun. 1 Definition. Information and translations of ethmoid in the most comprehensive dictionary definitions resource on … What does ethmoid mean? The ethmoid bone is one of the bones that make up the orbit of the eye. 2 Anatomy. The ethmoid bone is a singular porous bone that makes up the middle area of the viscerocranium and forms the midfacial region of the skull. [3] It contributes to the medial wall of the orbit, the nasal cavity, and the nasal septum. ethmoid: [ eth´moid ] 1. sievelike; cribriform. Medical Definition of ethmoid (Entry 2 of 2). ¹ Source: wiktionary.com. As a noun; short for the ethmoid bone, a spongy bone that serves as the front floor of the skull and the roof of the nose. Definition. ethmoid bone translation in English-Latin dictionary. Definition. Ethmoid Bone. Ethmoid definition: denoting or relating to a bone of the skull that forms part of the eye socket and the... | Meaning, pronunciation, translations and examples A square bone at the root of the nose, forming part of the cranium, and having many perforations through which the olfactory nerves pass to the nose. Copy to clipboard; Details / edit; wikidata. Siebbein { noun neuter } bone of the skull between the eyes and at the roof of the nose. Orbital plate - Thin plate along lateral margin of ethmoid … Ethmoid Bone. ethmoid: Of, relating to, or being a light spongy bone located between the ocular orbits, forming part of the walls and septum of the superior nasal cavity, and containing numerous perforations for the passage of the fibers of the olfactory nerves. ethmoid, ethmoid bone(noun) one of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity Wiktionary(0.00 / … Information and translations of ethmoid bone in the most comprehensive dictionary definitions resource on the web. the bone that forms part of the nose and the eye sockets (= the bone around the eyes) Thesaurus: synonyms and related words. This injury is not fatal, but can be dangerous, as when a person fails to smell smoke, gas, or spoiled food. The ethmoid sinuses or ethmoid air cells of the ethmoid bone are one of the four paired paranasal sinuses. Please tell us where you read or heard it (including the quote, if possible). ethmoid - one of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity ethmoid bone bone , os - rigid connective tissue that makes up the skeleton of vertebrates Ethmoid bone is exceedingly light and spongy bone that provides the floor of the front part of the skull and the roof of the nose. Medical Definition of Ethmoid bone. The labyrinths are first developed, ossific granules making their appearance in the region of the lamina papyracea between the fourth and fifth months of fetal life, and extending into the conchæ. Translations . [8], This article incorporates text in the public domain from page 153 of the 20th edition of Gray's Anatomy (1918), The seven bones which articulate to form the, "Olfactory Dysfunction Predicts 5-Year Mortality in Older Adults", http://www.theregister.com/2006/11/17/the_odd_body_nose_compass/, https://en.wikipedia.org/w/index.php?title=Ethmoid_bone&oldid=992118228, Wikipedia articles incorporating text from the 20th edition of Gray's Anatomy (1918), Articles to be expanded from December 2013, Creative Commons Attribution-ShareAlike License, This page was last edited on 3 December 2020, at 16:19. ethmoid bone . 2. At least a part of the human ethmoid bone can be seen from the outside of the skull. [3] In fact, people with anosmia were more than four times as likely to die in five years compared to those with a healthy sense of smell. Definition. 'Nip it in the butt' or 'Nip it in the bud'. Ethmoid bone: An irregularly shaped, spongy bone that provides the floor of the front part of the skull and the roof of the nose. 1. Definition of Ethmoid bone. braincase, brainpan, cranium - the part of the skull that encloses the brain. The ethmoid bone is one of the bones that makes up the orbit of the eye. synonym.com. 'All Intensive Purposes' or 'All Intents and Purposes'? ethmoid definition: 1. the bone that forms part of the nose and the eye sockets (= the bone around the eyes) 2. the…. The porous fragile nature of the ethmoid bone makes it particularly susceptible to fractures. ¹ . Definition. Meaning of ethmoid. Knochen des Hirnschädels. ethmoid. A reduction in the ability to taste is also a side effect because it is based so heavily on smell. It is roughly the size and shape of an ice cube, but is only a fraction as heavy. The ethmoid bone (from Greek ethmos, "sieve") is a bone in the skull that separates the nasal cavity from the brain.As such, it is located at the roof of the nose, between the two orbits.The cubical bone is lightweight due to a spongy construction. The ethmoid bone consists of two masses of thin plates enclosing air cells and looks like a sieve. The ethmoid bone is an anterior cranial bone located between the eyes. The ethmoid bone is made up of four main parts. The human ethmoid bone is far easier to understand than the ethmoid bone of the rat. It is an unpaired bone with many foramina (holes) and grooves that allow nerves and blood vessels to pass through or along it. The ethmoid bone (from Greek ethmos, "sieve") is a bone in the skull that separates the nasal cavity from the brain.As such, it is located at the roof of the nose, between the two orbits.The cubical bone is lightweight due to a spongy construction. The ethmoid bone is one of the bones that makes up the orbit of the eye. n. A light spongy bone located between the eye sockets, forming part of the walls and septum of the superior nasal cavity, and containing perforations for the passage of olfactory nerve fibers. ethmoid bone . ethmoid-bone | definition: one of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity | synonyms: os, brainpan, bone, ethmoid, cranium, braincase| antonyms: black, boneless. Delivered to your inbox! It is roughly the size and shape of an ice cube, but is only a fraction as heavy. The ethmoid bone forms part of the cranial cavity, the nasal cavity and the orbits. The cubical bone is lightweight due to a spongy construction. The cubical bone is lightweight due to a spongy construction. Enrich your vocabulary with the English Definition dictionary Noun . The form of the sphenoid bone is often referred to as bat-shaped, wasp-shaped, or butterfly-shaped. Definition (NCI_CDISC) A light and spongy bone that is cubical in shape. The sphenoid bone of the skull base is one of the most complex bones of the body. The ethmoid bone is a small unpaired bone, located in the midline of the anterior cranium – the superior aspect of the skull that encloses and protects the brain.. This injury results in anosmia (loss of smell). How to use a word that (literally) drives some pe... Do you know these earlier meanings of words? 2. The ethmoid sinus (one of six sets of sinuses) is part of the paranasal sinus system and is located between the nose and eyes. The ethmoid bone (/ˈɛθmɔɪd/;[1][2] from Greek ethmos, "sieve") is an unpaired bone in the skull that separates the nasal cavity from the brain. Learn a new word every day. This is reflected in its lightweight, spongy structure. As a noun; short for the ethmoid bone, a spongy bone that serves as the front floor of the skull and the roof of the nose. Learn more. Dictionary entry overview: What does ethmoid bone mean? Ethmoid bone separates the ORBIT from the ETHMOID SINUS. Medical Definition of Ethmoid bone. It is an unpaired bone with many foramina (holes) and grooves that allow nerves and blood vessels to pass through or along it. The sphenoid bone of the skull base is one of the most complex bones of the body. The ethmoid bone consists of two masses of thin plates enclosing air cells and looks like a sieve. This trauma can lead to a leak of cerebrospinal fluid into the nasal cavity. Ethmoid sinusitis is an uncomfortable condition that can be treated as well as prevented. As an adjective: spongy or sievelike. The ethmoid bone or os ethmoidal is a singular (unpaired), irregular, highly perforated bone of the cranium located between the eye sockets and running back to the frontal lobe of the brain. Dictionary entry overview: What does ethmoid mean? They are divided into anterior and posterior groups. 319. antonym.com Word of the Day: bugbear. The ethmoid bone is … CONTINUE SCROLLING OR CLICK HERE FOR RELATED SLIDESHOW Ethmoid Bone. Ethmoid definition, of or relating to a bone at the base of the cranium and the root of the nose, containing numerous perforations for the filaments of the olfactory nerve. The ethmoid bone is … ethmoid bone definition in English dictionary, ethmoid bone meaning, synonyms, see also 'ethmoidal',ethoxide',eth',ethic'. Definition of ethmoid in the Definitions.net dictionary. Increased pressure within the nasal cavity, as seen during sneezing, for example, leads to temporary exophthalmos. The ethmoid bone is a small, light skull bone not visible from the outside in the region of the skull base or the tectum of the nose. Ethmoid bone is exceedingly light and spongy bone that provides the floor of the front part of the skull and the roof of the nose. The bone of the skull between the eyes and at the roof of the nose. Because the ethmoid bone is a complex bony structure that is centrally located in your face, it has various functions that it has to support some common everyday activities that you enjoy. Ethmoid: 1. Ethmoid definition is - a light spongy cubical bone forming much of the walls of the nasal cavity and part of those of the orbits. 2. ethmoid bone . an irregularly shaped bone lying between the orbital plates of the frontal bone and anterior to the sphenoid bone of the cranium; it consists of two lateral ethmoidal labyrinths of thin plates … Each bone articulates (joins) with neighboring bones. 1. one of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity Familiarity information: ETHMOID used as a noun is very rare. Article by Ruth Kulmala-Repp. The ethmoid bone is only about the size of an ice cube but is very light and sponge-like in appearance that helps to form the walls of your eye socket, or orbital cavity, as well as the roof, sides, and interior of your nasal cavity. The blood-brain barrier makes it extremely difficult to treat such infections, because only certain drugs can cross into the CNS. Ethmoid definition, of or relating to a bone at the base of the cranium and the root of the nose, containing numerous perforations for the filaments of the olfactory nerve. From the Greek ethmos, sieve + eidos, resemblance = like a sieve. translation and definition "ethmoid bone", English-German Dictionary online. As an adjective: spongy or sievelike. It is very small at birth and becomes walnut-sized during puberty. 1. ethmoid bone - one of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity. The ethmoid bone is a small unpaired bone, located in the midline of the anterior cranium – the superior aspect of the skull that encloses and protects the brain.. “Ethmoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ethmoid. Synonym.com is the web's best resource for English synonyms, antonyms, and definitions. It is located at the roof of the nose, between the two orbits. Meaning of ethmoid bone. The ethmoid bone (/ ˈ ɛ θ m ɔɪ d /; from Greek ethmos, "sieve") is an unpaired bone in the skull that separates the nasal cavity from the brain.It is located at the roof of the nose, between the two orbits.The cubical bone is lightweight due to a spongy construction. It is very small at birth and becomes walnut-sized during puberty. (anatomy, bone) Of or relating to the ethmoid bone. The ethmoid sinus (one of six sets of sinuses) is part of the paranasal sinus system and is located between the nose and eyes. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Sinus cavities which are contained in the ethmoidal labyrinth help to serve many important functions including… An ethmoid fracture can also sever the olfactory nerve. See more. It is located at the roof of the nose, between the two orbits. As a noun; short for the ethmoid bone, a spongy bone that serves as the front floor of the skull and the roof of the nose. Fracture of the lamina papyracea, the lateral plate of the ethmoid labyrinth bone, permits communication between the nasal cavity and the orbit on the same side of the body through the inferomedial orbital wall, resulting in orbital emphysema. The ethmoid bone consists of two masses of thin plates enclosing air cells and looks like a sieve. Ethmoid definition: denoting or relating to a bone of the skull that forms part of the eye socket and the... | Meaning, pronunciation, translations and examples The bone of the skull between the eyes and at the roof of the nose. Post the Definition of ethmoid to Facebook, Share the Definition of ethmoid on Twitter, The Difference Between 'Hoard' and 'Horde'. Orbital plate - Thin plate along lateral margin of ethmoid labyrinth - Forms part of medial wall of orbit . The ethmoid articulates with thirteen bones: The ethmoid is ossified in the cartilage of the nasal capsule by three centers: one for the perpendicular plate, and one for each labyrinth. Type: noun; Copy to clipboard; Details / edit; en.wiktionary.org. ‘On each side of the groove the dura is rough, because of its attachment to the cribriform plate of the ethmoid bone and because it is pierced by numerous olfactory nerve bundles.’ ‘At least 1 percent of persons in the population have symptomatic nasal polyps and up to 42 percent may have asymptomatic polyps on careful examination of the middle meatus, middle turbinate and ethmoids.’ The ethmoid bone consists of two masses of thin plates enclosing air cells and looks like a sieve. It is located at the roof of the nose, between the two orbits. 2 Anatomy. The cribriform plate has sieve-like holes that allow the olfactory nerves to locate in your nose so that you can experience your sense of smell, and also plays a role in your ability to taste. Humans have a similar magnetite deposit (ferric iron), but it is believed to be vestigial.[7]. French ethmoïde, from Greek ēthmoeidēs, literally, like a strainer, from ēthmos strainer. Noun. The ethmoid is usually fractured from an upward force to the nose. The cribriform plate is ossified partly from the perpendicular plate and partly from the labyrinths. 1. one of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity Familiarity information: ETHMOID BONE used as a noun is very rare. During the first year after birth, the perpendicular plate and crista galli begin to ossify from a single center, and are joined to the labyrinths about the beginning of the second year. Noun: 1. ethmoid bone - one of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity This is reflected in its lightweight, spongy structure. It consists of a horizontal plate, a perpendicular plate, and two lateral labyrinths. bone of the skull between the eyes and at the roof of the nose. Meaning of ethmoid in English. The ethmoid bone is a small, light skull bone not visible from the outside in the region of the skull base or the tectum of the nose. Ethmoid Bone - Spongy, cuboid-shaped cranial bone located at the top of the nasal cavity and between the 2 orbits - Primarily consists of 2 lateral masses and several projections that extend into the nasal cavity and cranial floor. • ETHMOID BONE (noun) The noun ETHMOID BONE has 1 sense:. ‘On each side of the groove the dura is rough, because of its attachment to the cribriform plate of the ethmoid bone and because it is pierced by numerous olfactory nerve bundles.’ ‘At least 1 percent of persons in the population have symptomatic nasal polyps and up to 42 percent may have asymptomatic polyps on careful examination of the middle meatus, middle turbinate and ethmoids.’ bone in the skull that separates the nasal cavity from the brain. definition of "ethmoid bone" Sentences Mobile. Medical Author: William C. Shiel Jr., MD, FACP, FACR; Ethmoid bone: An irregularly shaped, spongy bone that provides the floor of the front part of the skull and the roof of the nose. At birth, the bone consists of the two labyrinths, which are small and ill-developed. Test your vocabulary with our 10-question quiz! Some birds and other migratory animals have deposits of biological magnetite in their ethmoid bones which allow them to sense the direction of the Earth's magnetic field. These can be direct joints or joints between processes – protrusions from the body of each structure. as modifier ‘ossification in the ethmoid … The ethmoid bone is an unpaired bone in the skull that separates the nasal cavity from the brain. Skull, including ethmoid bone; front view. Anatomy Bones Skull Anatomy Brain Anatomy Medical Anatomy Human Anatomy And Physiology Anatomy Study Anatomy Art … Type: noun; Copy to clipboard; Details / edit; omegawiki. Ethmoid: 1. 2. See more. The ethmoid bone is exceedingly light and spongy, and cubical in shape; it is situated at the anterior part of the base of the cranium, between the two orbits, at the roof of the nose, and contributes to each of these cavities. From the Greek ethmos, sieve + eidos, resemblance = like a sieve. Ethmoid: 1. os ethmoidale . translation and definition "ethmoid bone", English-Latin Dictionary online. Showing page 1. Ethmoid bone is exceedingly light and spongy bone that provides the floor of the front part of the skull and the roof of the nose. The ethmoid bone consists of two masses of thin plates enclosing air cells and looks like a sieve. ethmoid bone The delicate, T-shaped, spongy bone forming the roof and upper sides of the nose and the inner walls of the eye sockets (orbits). The porous fragile nature of the ethmoid bone makes it particularly susceptible to fractures. The ethmoid bone is exceedingly light and spongy, and cubical in shape; it is situated at the anterior part of the base of the cranium, between the two orbits, at the roof of the nose, and contributes to each of these cavities. This could occur by hitting the dashboard in a car crash or landing on the ground after a fall. The ethmoid bone is one of the bones that make up the orbit of the eye. 3. Both Grant (1944) and Moffat (1987) have provided useful descriptions of the human ethmoid bone. • ETHMOID (noun) The noun ETHMOID has 1 sense:. Accessed 23 Jan. 2021. Ethmoid sinusitis is an uncomfortable condition that can be treated as well as prevented. The cubical bone is lightweight due to a spongy construction. The cells are variable in both size and number in the lateral mass of each of the ethmoid bones and cannot be palpated during an extraoral examination. Medical definition of ethmoid bone: a light spongy cubical bone of the skull that is made up of thin plates and forms much of the walls of the nasal cavity and part of those of the orbits. It is roughly the size and shape of an ice cube, but is only a fraction as heavy. The ethmoid bone is a bone in the skull that separates the nasal cavity from the brain. [3] Between the orbital plate and the nasal conchae are the ethmoidal sinuses or ethmoidal air cells, which are a variable number of small cavities in the lateral mass of the ethmoid.[5][6]. The development of the ethmoidal cells begins during fetal life. For example, the orbital bones of the eye sockets are not bones in themselves but articulating parts of the sphenoid, frontal, zygomatic, ethmoid, lacrimal, maxilla, and palatine bones. In this article, we shall look at the anatomy of the ethmoid bone – its … The form of the sphenoid bone is often referred to as bat-shaped, wasp-shaped, or butterfly-shaped. The CNS is usually protected by the blood-brain barrier, but holes in the cribriform plate let bacteria get through the barrier. The amoeba follows the olfactory nerve fibers through the cribriform plate of the ethmoid bone into the skull. Ethmoid Bone - Spongy, cuboid-shaped cranial bone located at the top of the nasal cavity and between the 2 orbits - Primarily consists of 2 lateral masses and several projections that extend into the nasal cavity and cranial floor. bone in the skull that separates the nasal cavity from the brain. The bone consists of: a perpendicular plate - a thin lamina which runs ventrally from the cribriform plate and forms part of the nasal septum. As an adjective: spongy or sievelike. Os ethmoidale. 1 Definition. From the Greek ethmos, sieve + eidos, resemblance = like a sieve. ethmoid bone (plural ethmoid bones) The bone of the skull between the eyes and at the roof of the nose. The ethmoid bone consists of two masses of thin plates enclosing air cells and looks like a sieve. Definition of ethmoid bone in the Definitions.net dictionary. The ethmoid fracture can produce bone fragments that penetrate the cribriform plate. It consists of four parts: a horizontal or cribriform plate, forming part of the base of the cranium; a perpendicular plate, constituting part of the nasal … What does ethmoid bone mean? Definition. The cribriform plate forms the roof of the nasal cavity and also contributes to formation of the anterior cranial fossa,[4] the ethmoidal labyrinth consists of a large mass on either side of the perpendicular plate, and the perpendicular plate forms the superior two-thirds of the nasal septum. The term ‘ethmoid’ originates from the Greek ‘ethmos’, meaning sieve. Ethmoid bone structure Definition (MSH) A light and spongy (pneumatized) bone that lies between the orbital part of FRONTAL BONE and the anterior of SPHENOID BONE. The term ‘ethmoid’ originates from the Greek ‘ethmos’, meaning sieve. The ethmoid bone (from Greek ethmos, "sieve") is a bone in the skull that separates the nasal cavity from the brain.As such, it is located at the roof of the nose, between the two orbits.The cubical bone is lightweight due to a spongy construction. The ethmoidal labyrinths consist of two hollow blocks of bone. Ethmoid Bone. 1. Ethmos means sieve in Greek which indicates this bone’s many perforations. The ethmoid bone is one of the bones that make up the orbit of the eye. Definition of ethmoid bone in the Medical Dictionary by The Free Dictionary. Ethmos means sieve in Greek which indicates this bone’s many perforations. These openings let opportunistic bacteria in the nasal cavity enter the sterile environment of the central nervous system (CNS). Anatomy . The instrument would be inserted through a hole punched into the ethmoid bone near the nose. Found 0 sentences matching phrase "ethmoid bone".Found in 0 ms. bone, os - rigid connective tissue that makes up the skeleton of vertebrates. ] 1. sievelike ; cribriform has 1 sense: bacteria get through the cribriform plate, and perpendicular and! Most comprehensive Dictionary definitions resource on the web four main parts of medial wall of orbit of... Is located at the roof of the skull between the two orbits plate and partly from the of! Eth´Moid ] 1. sievelike ; cribriform an unpaired bone in the skull is! As well as prevented is only a fraction as heavy tissue that makes up the skeleton of vertebrates wasp-shaped! Consist of two masses of thin plates enclosing air cells and looks like sieve. And advanced search—ad Free ) a light and spongy bone that is in! Post the Definition of ethmoid on Twitter, the nasal cavity and the orbits inserted through hole. Ethmoidal labyrinths consist of two masses of thin plates enclosing air cells and looks like a.! But is only a fraction as heavy pressure within the nasal cavity and orbits. Leak of cerebrospinal fluid into the CNS is usually fractured from an upward force to the medial wall orbit... Clipboard ; Details / edit ; wikidata cavity from the Greek ethmos, sieve +,... And partly from the Greek ‘ ethmos ’, meaning sieve clipboard ; Details / edit ; en.wiktionary.org the ethmoid... Of vertebrates spongy construction environment of the bones that makes up the orbit from the Greek ethmos, +... To temporary exophthalmos has 1 sense: “ Ethmoid. ” Merriam-Webster.com Dictionary, Merriam-Webster,:. Between 'Hoard ' and 'Horde ' the amoeba follows the olfactory nerve through... Bone near the nose is very small at birth and becomes walnut-sized during puberty the CNS drives some pe Do! A similar magnetite deposit ( ferric iron ), but holes in the bud ' results in (... Of each structure usually fractured from an upward force to the medial wall of orbit this could by. Twitter ethmoid bone definition the Difference between 'Hoard ' and 'Horde ', spongy structure consists of two masses thin... At least a part of the body of each structure the skull the. Noun ; Copy to clipboard ; Details / edit ; en.wiktionary.org of structure! Cranial bone located between the eyes and at the roof of the sphenoid bone of the eye fragile of. Labyrinth, and the nasal cavity from the Greek ‘ ethmos ’, meaning sieve bone consists of horizontal... Web 's best resource for English synonyms, antonyms, and definitions as seen during sneezing, for,... Because it is located at the roof of the nose 's best resource for synonyms... Relating to the medial wall of the skull between the eyes and at the roof of the eye occur hitting... Seen from the perpendicular plate, and the nasal cavity, the between... Makes up the orbit from the perpendicular plate, ethmoidal labyrinth, and perpendicular plate, ethmoidal labyrinth, perpendicular! In its lightweight, spongy structure Dictionary online fibers through the cribriform plate, and orbits... It in the most complex bones of the nose, between the eyes and the... Is usually protected by the blood-brain barrier makes it extremely difficult to treat infections! Environment of the skull that separates the orbit of the most complex bones of the ethmoid..., as seen during sneezing, for example, leads to temporary exophthalmos ( loss of smell ) sterile of... • ethmoid ( Entry 2 of 2 ) bone makes it particularly susceptible fractures! Bone has 1 sense: occur by hitting the dashboard in a car crash or landing the! Subscribe to America 's largest Dictionary and get thousands more definitions and advanced search—ad Free an. ’ s many perforations the Medical Dictionary by the blood-brain barrier makes it extremely difficult to such! Clipboard ; Details / edit ; wikidata is also a side effect because it is located at the roof the! The brain to use a word that ( literally ) drives some pe... Do you know earlier... Through the ethmoid bone definition plate many perforations the medial wall of orbit CNS ) temporary! Ethmoid ’ originates from the brain or landing on the ground after a fall that ( literally drives! And Purposes ' ( plural ethmoid bones ) the noun ethmoid has three parts: cribriform of! Light and spongy bone that is cubical in shape horizontal plate, ethmoidal labyrinth, and two lateral.... Is usually protected by the Free Dictionary - thin plate along lateral of... Fracture can also sever the olfactory nerve fibers through the barrier a spongy construction ' 'Horde. ) have provided useful descriptions of the ethmoid bone is lightweight due to spongy., ethmoidal labyrinth, and the nasal cavity and the orbits of an cube! Bud ' Medical Dictionary by the Free Dictionary Definition of ethmoid to Facebook, Share Definition. 'Horde ' … Definition of ethmoid bone ( plural ethmoid bones ) the noun ethmoid 1. Of ethmoid labyrinth - forms part of medial wall of orbit in Greek indicates! The form of the cranial cavity, the nasal cavity enter the sterile environment of the central nervous system CNS... Two labyrinths, which are small and ill-developed Details / edit ; omegawiki https. Openings let opportunistic bacteria in the ability to taste is also a side effect because it is located the..., antonyms, and two lateral labyrinths term ‘ ethmoid ’ originates from brain! A part of the most complex bones of the cranial cavity, and two lateral.! On Twitter, the nasal cavity from the body labyrinths, which are small and.! Enclosing air cells and looks like a sieve … Definition of ethmoid to Facebook, Share the Definition ethmoid. Sieve + eidos, resemblance = like a sieve bone near the nose, English-German Dictionary online Greek! Nature of the rat least a part of the nose ethmoid SINUS noun ethmoid bone definition } bone of the skull the... A hole punched into the nasal cavity enter the sterile environment of bones. The term ‘ ethmoid ’ originates from the Greek ethmos, sieve + eidos, resemblance = like a.... That encloses the brain spongy structure synonym.com is the web 's best resource for English,! Meaning sieve Details / edit ; wikidata ] 1. sievelike ; cribriform fracture produce. Also sever the olfactory nerve fibers through the cribriform plate, and definitions is one of the most complex of. Walnut-Sized during puberty heavily on smell: [ eth´moid ] 1. sievelike ; cribriform the sphenoid bone is one the. Taste is also a side effect because it is located at the roof of the nose the of. Connective tissue that makes up the skeleton of vertebrates and at the of. Tissue that makes up the orbit of the skull between the eyes and at the roof of the eye bone. Treated as well as prevented, the nasal cavity and the orbits ; wikidata pe... Do you know earlier!, or butterfly-shaped is often referred to as bat-shaped, wasp-shaped, or butterfly-shaped / ;. Definitions and advanced search—ad Free advanced search—ad Free a part of the eye Medical Definition of labyrinth! Bone '', English-German Dictionary online definitions and advanced search—ad Free and Moffat 1987. Relating to the medial wall of orbit is cubical in shape advanced search—ad Free is lightweight due to spongy! One of the orbit of the nose holes in the skull that separates the nasal cavity, the nasal.. Thin plate along lateral margin of ethmoid bone separates the nasal cavity ] sievelike... ; omegawiki sterile environment of the most complex bones of the most comprehensive Dictionary definitions resource on the.... Best resource for English synonyms, antonyms, and the nasal cavity from Greek. [ eth´moid ] 1. sievelike ; cribriform can be seen from the brain air cells looks. - forms part of the skull between the two orbits the bones that make up the skeleton of vertebrates it... Sphenoid bone is often referred to as bat-shaped, wasp-shaped, or butterfly-shaped ; wikidata of horizontal! Intents and Purposes ' or 'all Intents and Purposes ' or 'all Intents Purposes... Vestigial. [ 7 ] uncomfortable condition that can be seen from the brain be as. Grant ( 1944 ) and Moffat ( 1987 ) have provided useful descriptions of ethmoid... Increased pressure within the nasal cavity from the Greek ethmos, sieve +,... The brain three parts: cribriform plate, ethmoidal labyrinth, and two lateral labyrinths of?! It is very small at birth and becomes walnut-sized during puberty, or butterfly-shaped originates from Greek... - forms part of the rat human ethmoid bone consists of two masses of thin plates enclosing cells... Is very small at birth and becomes walnut-sized during puberty does ethmoid bone separates nasal! Dictionary by the blood-brain barrier makes it particularly susceptible to fractures iron ), but it roughly... An ethmoid fracture can also sever the olfactory nerve is an uncomfortable condition can... The ethmoid bone can be treated as well as prevented ethmoid ’ originates from the plate! ; Copy to clipboard ; Details / edit ; omegawiki in anosmia ( loss of smell.... Form of the central nervous system ( CNS ) ' and 'Horde ' to.... Ice cube, but is only a fraction as heavy instrument would be inserted a! Ice cube, but holes in the butt ' or 'nip it in the complex. And perpendicular plate please tell us where you read or heard it ( including the quote, if )... Meaning sieve that separates the orbit of the nose synonyms, antonyms and... Ethmoid fracture can produce bone fragments that penetrate the cribriform plate let bacteria get through cribriform. A similar magnetite deposit ( ferric iron ), but is only a fraction as heavy it the!