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 ethmoid bone also forms the lateral walls of the upper nasal cavity.

From Textbooks • Jun. 19, 2013

Although classified with the brain-case bones, the ethmoid bone also contributes to the nasal septum and the walls of the nasal cavity and orbit.

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

The ethmoid bone also contains the ethmoid air cells.

From Textbooks • Jun. 19, 2013

The nasals are only slightly pointed anteriorly, and posteriorly they bear short, blunt palatine processes and medial processes in contact with the lateral corners of the ethmoid.

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