ethmoid

American  

[eth-moid] / ˈɛθ mɔɪd /

adjective

1. Also ethmoidal 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.

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noun

1. the ethmoid bone.

ethmoid British  

/ ˈɛθmɔɪd /

adjective

1. denoting or relating to a bone of the skull that forms part of the eye socket and the nasal cavity

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noun

1. the ethmoid bone

Other Word Forms

• postethmoid adjective

Etymology

Origin of ethmoid

1735–45; < Greek ēthmoeidḗs sievelike; see -oid

Example Sentences

The superior nasal concha and middle nasal concha are parts of the ethmoid bone.

From Textbooks • Jun. 19, 2013

The lateral portions of the ethmoid bone are located between the orbit and upper nasal cavity, and thus form the lateral nasal cavity wall and a portion of the medial orbit wall.

From Textbooks • Jun. 19, 2013

Figure 7.12 Ethmoid Bone The unpaired ethmoid bone is located at the midline within the central skull.

From Textbooks • Jun. 19, 2013

Located just above the inferior concha is the middle nasal concha, which is part of the ethmoid bone.

From Textbooks • Jun. 19, 2013

The posteromedial points do not reach the lateral margins of the ethmoid, and the maxillary processes extend about three-fourths the distance from the bodies of the nasals to the maxillaries.

From Neotropical Hylid Frogs, Genus Smilisca by Duellman, William E.