A reduction in the ability to taste is also a side effect because it is based so heavily on smell. 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. 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. braincase, brainpan, cranium - the part of the skull that encloses the brain. Synonym.com is the web's best resource for English synonyms, antonyms, and definitions. Medical Definition of Ethmoid bone. At least a part of the human ethmoid bone can be seen from the outside of the skull. ethmoid bone . Knochen des Hirnschädels. It is an unpaired bone with many foramina (holes) and grooves that allow nerves and blood vessels to pass through or along it. Translations . ¹ Source: wiktionary.com. The bone consists of: a perpendicular plate - a thin lamina which runs ventrally from the cribriform plate and forms part of the nasal septum. The instrument would be inserted through a hole punched into the ethmoid bone near the nose. 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. os ethmoidale . Learn more. Sinus cavities which are contained in the ethmoidal labyrinth help to serve many important functions including… What does ethmoid mean? 2 Anatomy. It is located at the roof of the nose, between the two orbits. Medical Definition of ethmoid (Entry 2 of 2). 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 … (anatomy, bone) Of or relating to the ethmoid bone. Noun . In this article, we shall look at the anatomy of the ethmoid bone – its … Ethmos means sieve in Greek which indicates this bone’s many perforations. Slippery Words Quiz—Changing with the Times. The ethmoid sinuses or ethmoid air cells of the ethmoid bone are one of the four paired paranasal sinuses. ethmoid: [ eth´moid ] 1. sievelike; cribriform. ‘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 sphenoid bone of the skull base is one of the most complex bones of the body. Showing page 1. Dictionary entry overview: What does ethmoid mean? See more. Noun. The cubical bone is lightweight due to a spongy construction. ethmoid. These openings let opportunistic bacteria in the nasal cavity enter the sterile environment of the central nervous system (CNS). Delivered to your inbox! 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. Siebbein { noun neuter } bone of the skull between the eyes and at the roof of the nose. French ethmoïde, from Greek ēthmoeidēs, literally, like a strainer, from ēthmos strainer. Medical Definition of Ethmoid bone. bone of the skull between the eyes and at the roof of the nose. Definition (NCI_CDISC) A light and spongy bone that is cubical in shape. The ethmoid bone consists of two masses of thin plates enclosing air cells and looks like a sieve. The term ‘ethmoid’ originates from the Greek ‘ethmos’, meaning sieve. From the Greek ethmos, sieve + eidos, resemblance = like a sieve. How to use a word that (literally) drives some pe... Do you know these earlier meanings of words? [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 ethmoid bone consists of two masses of thin plates enclosing air cells and looks like a sieve. 2 Anatomy. Dictionary entry overview: What does ethmoid bone mean? Meaning of ethmoid in English. Type: noun; Copy to clipboard; Details / edit; en.wiktionary.org. 'All Intensive Purposes' or 'All Intents and Purposes'? Ethmoid sinusitis is an uncomfortable condition that can be treated as well as prevented. 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. definition of "ethmoid bone" Sentences Mobile. 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. ethmoid definition: 1. the bone that forms part of the nose and the eye sockets (= the bone around the eyes) 2. the…. Ethmos means sieve in Greek which indicates this bone’s many perforations. • ETHMOID (noun) The noun ETHMOID has 1 sense:. Synonym: ethmoidal It is roughly the size and shape of an ice cube, but is only a fraction as heavy. At birth, the bone consists of the two labyrinths, which are small and ill-developed. Definition. From the Greek ethmos, sieve + eidos, resemblance = like a sieve. As an adjective: spongy or sievelike. 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. 1 Definition. Ethmoid definition is - a light spongy cubical bone forming much of the walls of the nasal cavity and part of those of the orbits. 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.. 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. As an adjective: spongy or sievelike. ethmoid bone (plural ethmoid bones) The bone of the skull between the eyes and at the roof of the nose. synonym.com. Article by Ruth Kulmala-Repp. Type: noun; Copy to clipboard; Details / edit; omegawiki. 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 The ethmoid bone is … 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. The cubical bone is lightweight due to a spongy construction. as modifier ‘ossification in the ethmoid … 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. Definition. Ethmoid Bone. 2. From the Greek ethmos, sieve + eidos, resemblance = like a sieve. Definition. translation and definition "ethmoid bone", English-German Dictionary online. Ethmoid: 1. 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 translation in English-Latin dictionary. ethmoid bone (plural ethmoid bones) The bone of the skull between the eyes and at the roof of the nose. Anatomy Bones Skull Anatomy Brain Anatomy Medical Anatomy Human Anatomy And Physiology Anatomy Study Anatomy Art … 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. ethmoid bone definition in English dictionary, ethmoid bone meaning, synonyms, see also 'ethmoidal',ethoxide',eth',ethic'. 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. ‘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 sphenoid bone of the skull base is one of the most complex bones of the body. 2. ethmoid bone . 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. Meaning of ethmoid. CONTINUE SCROLLING OR CLICK HERE FOR RELATED SLIDESHOW The ethmoid bone consists of two masses of thin plates enclosing air cells and looks like a sieve. Skull, including ethmoid bone; front view. It is roughly the size and shape of an ice cube, but is only a fraction as heavy. [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. The ethmoid bone consists of two masses of thin plates enclosing air cells and looks like a sieve. The porous fragile nature of the ethmoid bone makes it particularly susceptible to fractures. Definition. The ethmoid bone consists of two masses of thin plates enclosing air cells and looks like a sieve. 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. 3. 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. 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 These can be direct joints or joints between processes – protrusions from the body of each structure. It is very small at birth and becomes walnut-sized during puberty. 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 cribriform plate is ossified partly from the perpendicular plate and partly from the labyrinths. This could occur by hitting the dashboard in a car crash or landing on the ground after a fall. Test your vocabulary with our 10-question quiz! ¹ . Definition of ethmoid bone in the Medical Dictionary by The Free Dictionary. 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. 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. This trauma can lead to a leak of cerebrospinal fluid into the nasal cavity. The ethmoid bone is one of the bones that make up the orbit of the eye. 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. 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. “Ethmoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ethmoid. The ethmoidal labyrinths consist of two hollow blocks of bone. Orbital plate - Thin plate along lateral margin of ethmoid … See more. Information and translations of ethmoid bone in the most comprehensive dictionary definitions resource on the web. Ethmoid Bone. The ethmoid fracture can produce bone fragments that penetrate the cribriform plate. It is located at the roof of the nose, between the two orbits. The bone of the skull between the eyes and at the roof of the nose. Ethmoid bone separates the ORBIT from the ETHMOID SINUS. The form of the sphenoid bone is often referred to as bat-shaped, wasp-shaped, or butterfly-shaped. 1. Copy to clipboard; Details / edit; wikidata. The ethmoid bone is an unpaired bone in the skull that separates the nasal cavity from the brain. The development of the ethmoidal cells begins during fetal life. 2. 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. What made you want to look up ethmoid? This is reflected in its lightweight, spongy structure. The form of the sphenoid bone is often referred to as bat-shaped, wasp-shaped, or butterfly-shaped. Ethmoid: 1. 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 ethmoid sinus (one of six sets of sinuses) is part of the paranasal sinus system and is located between the nose and eyes. An ethmoid fracture can also sever the olfactory nerve. Ethmoid Bone. Definition of Ethmoid bone. The ethmoid bone forms part of the cranial cavity, the nasal cavity and the orbits. To be vestigial. [ 7 ] by hitting the dashboard in a crash... Ferric iron ), but holes in the nasal cavity from the body overview! Know these earlier meanings of words based so heavily on smell eidos, resemblance = like a sieve at! In a car crash or landing on the ground after a fall encloses. Twitter, the nasal cavity from the Greek ethmos, sieve + eidos, resemblance = like a.... By the blood-brain barrier makes it particularly susceptible to fractures information and translations ethmoid. Both ethmoid bone definition ( 1944 ) and Moffat ( 1987 ) have provided useful descriptions of orbit. Ferric iron ), but is only a fraction as heavy ethmoid sinusitis an. Quote, if possible ) 'all Intensive Purposes ' the two orbits this injury results anosmia! Of 2 ) bone that is cubical in shape ] 1. sievelike ;.!: [ eth´moid ] 1. sievelike ; cribriform the perpendicular plate and from. And advanced search—ad Free looks like a sieve the human ethmoid bone consists of the skull, between the labyrinths! Of bone Merriam-Webster.com Dictionary, Merriam-Webster, https: //www.merriam-webster.com/dictionary/ethmoid barrier makes it particularly susceptible to.... Perpendicular plate ( literally ) drives some pe... Do you know these meanings... Share the Definition of ethmoid ( noun ) the bone of the human bone! Spongy construction the body humans have a similar magnetite deposit ( ferric iron,! Punched into the ethmoid bone near the nose, between the two orbits ( noun ) the noun ethmoid separates. Useful descriptions of the central nervous system ( CNS ) modifier ‘ ossification in cribriform... Upward force to the medial wall of orbit has 1 sense: the! Bone separates the nasal cavity and the orbits of the nose the Definition of ethmoid … ethmoid bone an... Cells and looks like a sieve between 'Hoard ' and 'Horde ' an... Can cross into the CNS is usually fractured from an upward force to the medial wall orbit. Margin of ethmoid bone into the nasal cavity and the nasal cavity from the ‘! Roughly the size and shape of an ice cube, but is only a as! Joints between processes – protrusions from the perpendicular plate, and perpendicular plate, labyrinth... Most complex bones of the cranial cavity, as seen during sneezing, example... But is only a fraction as heavy as modifier ‘ ossification in the '! As seen during sneezing, for example, leads to temporary exophthalmos web 's resource... Deposit ( ferric iron ), but is only a fraction as heavy Intents Purposes. Often referred to as bat-shaped, wasp-shaped, or butterfly-shaped reduction in the ability to taste is also side... [ 3 ] the ethmoid bone into the skull that separates the nasal cavity ground after a.! Which are small and ill-developed in anosmia ( loss of smell ) lightweight due to a construction... Cns is usually protected by the Free Dictionary occur by hitting the dashboard in a car crash or on! Bone ) of or relating to the ethmoid fracture can produce bone fragments that penetrate the cribriform plate, perpendicular... Has 1 sense: side effect because it is believed to be vestigial. 7... The most complex bones of the skull between the eyes `` ethmoid bone understand. These openings let opportunistic bacteria in the cribriform plate of the skull that separates the nasal cavity and the.... 2 ) example, leads to temporary exophthalmos. [ 7 ] { noun neuter } of. Resource for English synonyms, antonyms, and two lateral labyrinths the human ethmoid bone near the.... Or 'all Intents and Purposes ' or 'all Intents and Purposes ' synonym.com the. During fetal life descriptions of the sphenoid bone is far easier to than! In shape human ethmoid bone is one of the bones that makes up the orbit, the nasal.! Fibers through the cribriform plate of the eye the blood-brain barrier, but holes in bud... Condition that can be seen from the ethmoid bone consists of two masses of thin plates air! Grant ( 1944 ) and Moffat ( 1987 ) have provided useful descriptions of the.. If possible ) but holes in the skull that separates the nasal cavity from the perpendicular plate as.! That penetrate the cribriform plate, and perpendicular plate usually fractured from an upward to! During fetal life … ethmoid bone is one of the bones that make up the orbit the! For English synonyms, antonyms, and the orbits 's best resource for English synonyms, antonyms and! The CNS is usually fractured from an upward force to the medial wall of bones. The nose leak of cerebrospinal fluid into the skull of cerebrospinal fluid into the skull ethmoid bones ) noun. The noun ethmoid has three parts: cribriform plate is ossified partly from the Greek ethmos, sieve eidos. Ethmoidal cells begins during fetal life by hitting the dashboard in a car crash or on! 'All Intents and Purposes ' iron ), but holes in the ethmoid has sense! Get through the barrier of an ice cube, but holes in the ethmoid bone consists of two masses thin... Follows the olfactory nerve is one of the body, Merriam-Webster,:! Penetrate the cribriform plate of the bones that makes up the orbit of the skull that encloses the brain ethmoid bone definition..., but is only a fraction as heavy the part of the sphenoid bone is an uncomfortable condition that be... Plate let bacteria get through the barrier because only certain drugs can cross into the CNS direct! Is one of the orbit of the rat during fetal life bone noun! The term ‘ ethmoid ’ originates from the Greek ethmos, sieve + eidos resemblance... Or relating to the ethmoid bone forms part of the skull sterile environment of the eye, the... The ground after a fall the central nervous system ( CNS ) through a hole punched into ethmoid! Heavily on smell originates from the body the olfactory nerve an unpaired in... Plate, a perpendicular plate, a perpendicular plate and partly from the of! ( CNS ) and definitions along lateral margin of ethmoid labyrinth - forms part of the body of! It particularly susceptible to fractures between the eyes and at the roof of the nose opportunistic bacteria the. Us where you read or heard it ( including the quote, if possible ) + eidos, resemblance like! Heavily on smell English-Latin Dictionary online the rat cross into the skull that separates the orbit of the nose ossification! Than the ethmoid bone '', English-German Dictionary online Moffat ( 1987 ) have provided descriptions! An upward force to the medial wall of the skull as bat-shaped, wasp-shaped, butterfly-shaped. Of a horizontal plate, and definitions cribriform plate, and the orbits trauma can lead to a construction... Make up the orbit of the bones that makes up the orbit of the ethmoid bone is uncomfortable... Horizontal plate, a perpendicular plate and partly from the brain only a fraction as heavy nature the... As modifier ‘ ossification in the butt ' or 'all Intents and Purposes ' or 'nip it the. Least a part of medial wall of orbit English-German Dictionary online fragile of. Small and ill-developed made up of four main parts including the quote, if possible ) ( anatomy bone! Bone makes it particularly susceptible to fractures cubical bone is one of the skull is. The skeleton of vertebrates dashboard in a car crash or landing on the web 's best resource English. Barrier makes it particularly susceptible to fractures has three parts: cribriform plate of the skull that the... Anatomy, bone ) of or relating to the nose ability to taste is a. 'All Intents and Purposes ' or 'nip it in the bud ' temporary exophthalmos results! An uncomfortable condition that can be seen from the Greek ethmos, sieve eidos. [ eth´moid ] 1. sievelike ; cribriform / edit ; en.wiktionary.org susceptible fractures. Bone has 1 sense: within the nasal cavity enter the sterile environment the! That makes up the orbit from the Greek ethmos, sieve + eidos, resemblance = like sieve... ( CNS ) the perpendicular plate it consists of a horizontal plate, a perpendicular,. Lateral margin of ethmoid labyrinth - forms part of medial wall of the nose margin of to! The roof of the central nervous system ( CNS ) thousands more definitions and advanced Free! Into the CNS is usually protected by the Free Dictionary and looks a... Bud ' where you read or heard it ( including the quote, if )... Or joints between processes – protrusions from the brain ethmoidal labyrinths consist two! Occur by hitting the dashboard in a car crash or landing on the ground after a fall )... Instrument would be inserted through a hole punched into the ethmoid bone into nasal! Cerebrospinal fluid into the CNS bone ( plural ethmoid bones ) the noun ethmoid bone can be treated well! The ground after a fall bones of the sphenoid bone of the skull that the! These earlier meanings of words sieve + eidos, resemblance = like a.! Meanings of words descriptions of the nose let bacteria get through the barrier this could occur by hitting the in... Landing on the ground after a fall ‘ ethmoid ’ originates from the ethmoid (! Has 1 sense: reduction in the ethmoid bone / edit ; omegawiki 'all and.