The ethmoid is usually fractured from an upward force to the nose. 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 / … 'All Intensive Purposes' or 'All Intents and Purposes'? Ethmoid: 1. This is reflected in its lightweight, spongy structure. ethmoid bone definition in English dictionary, ethmoid bone meaning, synonyms, see also 'ethmoidal',ethoxide',eth',ethic'. From the Greek ethmos, sieve + eidos, resemblance = like a sieve. bone in the skull that separates the nasal cavity from the brain. Type: noun; Copy to clipboard; Details / edit; en.wiktionary.org. 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. This trauma can lead to a leak of cerebrospinal fluid into the nasal cavity. It is roughly the size and shape of an ice cube, but is only a fraction as heavy. The sphenoid bone of the skull base is one of the most complex bones of the body. What does ethmoid mean? At birth, the bone consists of the two labyrinths, which are small and ill-developed. 2. The porous fragile nature of the ethmoid bone makes it particularly susceptible to fractures. bone, os - rigid connective tissue that makes up the skeleton of vertebrates. The sphenoid bone of the skull base is one of the most complex bones of the body. bone in the skull that separates the nasal cavity from the brain. 2. translation and definition "ethmoid bone", English-German Dictionary online. ¹ . ethmoid bone . Meaning of ethmoid in English. The ethmoid fracture can produce bone fragments that penetrate the cribriform plate. Post the Definition of ethmoid to Facebook, Share the Definition of ethmoid on Twitter, The Difference Between 'Hoard' and 'Horde'. Showing page 1. The ethmoid bone is one of the bones that make up the orbit of the eye. The ethmoid bone consists of two masses of thin plates enclosing air cells and looks like a sieve. The ethmoid bone is an unpaired bone in the skull that separates the nasal cavity from the brain. 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. 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. 2. Medical Definition of Ethmoid bone. The cubical bone is lightweight due to a spongy construction. 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 (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 (/ 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. ¹ Source: wiktionary.com. os ethmoidale . Definition. 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. 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. 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 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. It is very small at birth and becomes walnut-sized during puberty. Each bone articulates (joins) with neighboring bones. In this article, we shall look at the anatomy of the ethmoid bone – its … An ethmoid fracture can also sever the olfactory nerve. 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 … 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. The bone of the skull between the eyes and at the roof of the nose. 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 Ethmos means sieve in Greek which indicates this bone’s many perforations. Definition of ethmoid bone in the Medical Dictionary by The Free Dictionary. Please tell us where you read or heard it (including the quote, if possible). Definition (NCI_CDISC) A light and spongy bone that is cubical in shape. definition of "ethmoid bone" Sentences Mobile. They are divided into anterior and posterior groups. Increased pressure within the nasal cavity, as seen during sneezing, for example, leads to temporary exophthalmos. 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. [3] It contributes to the medial wall of the orbit, the nasal cavity, and the nasal septum. braincase, brainpan, cranium - the part of the skull that encloses the brain. 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 BONE (noun) The noun ETHMOID BONE has 1 sense:. ethmoid: [ eth´moid ] 1. sievelike; cribriform. The ethmoid bone is one of the bones that makes up the orbit of the eye. [3] The ethmoid has three parts: cribriform plate, ethmoidal labyrinth, and perpendicular plate. Dictionary entry overview: What does ethmoid bone mean? Definition. The ethmoid sinus (one of six sets of sinuses) is part of the paranasal sinus system and is located between the nose and eyes. 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. antonym.com Word of the Day: bugbear. ethmoid bone (plural ethmoid bones) The bone of the skull between the eyes and at the roof of the nose. The development of the ethmoidal cells begins during fetal life. 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. Learn a new word every day. [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. The cribriform plate is ossified partly from the perpendicular plate and partly from the labyrinths. Learn more. The ethmoid bone forms part of the cranial cavity, the nasal cavity and the orbits. The porous fragile nature of the ethmoid bone makes it particularly susceptible to fractures. These can be direct joints or joints between processes – protrusions from the body of each structure. Ethmoid sinusitis is an uncomfortable condition that can be treated as well as prevented. What does ethmoid bone mean? The ethmoid sinuses or ethmoid air cells of the ethmoid bone are one of the four paired paranasal sinuses. Anatomy . 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 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. Ethmoid Bone. 1. Os ethmoidale. This injury results in anosmia (loss of smell). 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. 2 Anatomy. As an adjective: spongy or sievelike. What made you want to look up ethmoid? 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. 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. French ethmoïde, from Greek ēthmoeidēs, literally, like a strainer, from ēthmos strainer. (anatomy, bone) Of or relating to the ethmoid bone. Delivered to your inbox! From the Greek ethmos, sieve + eidos, resemblance = like a sieve. 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. 'Nip it in the butt' or 'Nip it in the bud'. 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. Copy to clipboard; Details / edit; wikidata. The term ‘ethmoid’ originates from the Greek ‘ethmos’, meaning sieve. 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. 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 ethmoidal labyrinths consist of two hollow blocks of bone. It is an unpaired bone with many foramina (holes) and grooves that allow nerves and blood vessels to pass through or along it. CONTINUE SCROLLING OR CLICK HERE FOR RELATED SLIDESHOW 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. It consists of a horizontal plate, a perpendicular plate, and two lateral labyrinths. It is located at the roof of the nose, between the two orbits. The ethmoid bone is made up of four main parts. The ethmoid bone is an anterior cranial bone located between the eyes. From the Greek ethmos, sieve + eidos, resemblance = like a sieve. Accessed 23 Jan. 2021. ‘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.’ 1 Definition. Synonym.com is the web's best resource for English synonyms, antonyms, and definitions. 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. Anatomy Bones Skull Anatomy Brain Anatomy Medical Anatomy Human Anatomy And Physiology Anatomy Study Anatomy Art … 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 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. Noun. Both Grant (1944) and Moffat (1987) have provided useful descriptions of the human ethmoid bone. 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. 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 ethmoid bone consists of two masses of thin plates enclosing air cells and looks like a sieve. The CNS is usually protected by the blood-brain barrier, but holes in the cribriform plate let bacteria get through the barrier. The term ‘ethmoid’ originates from the Greek ‘ethmos’, meaning sieve. Definition of ethmoid in the Definitions.net dictionary. This could occur by hitting the dashboard in a car crash or landing on the ground after a fall. See more. ethmoid definition: 1. the bone that forms part of the nose and the eye sockets (= the bone around the eyes) 2. the…. The ethmoid bone is … 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 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. 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. Orbital plate - Thin plate along lateral margin of ethmoid … The ethmoid sinus (one of six sets of sinuses) is part of the paranasal sinus system and is located between the nose and eyes. See more. Translations . ethmoid bone translation in English-Latin dictionary. translation and definition "ethmoid bone", English-Latin Dictionary online. ethmoid bone (plural ethmoid bones) The bone of the skull between the eyes and at the roof of the nose. Siebbein { noun neuter } bone of the skull between the eyes and at the roof of the nose. 1. 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 It is roughly the size and shape of an ice cube, but is only a fraction as heavy. Dictionary entry overview: What does ethmoid mean? Information and translations of ethmoid in the most comprehensive dictionary definitions resource on … bone of the skull between the eyes and at the roof of the nose. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! The bone of the skull between the eyes and at 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. Ethmoid Bone. 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. Definition. as modifier ‘ossification in the ethmoid … Ethmoid: 1. 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 Bone. It is very small at birth and becomes walnut-sized during puberty. 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