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

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Etymology

Origin of ethmoid

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

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Example Sentences

See Examples For:

ethmoid

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

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 in the floor of the anterior cranial fossa at the midline is a portion of the ethmoid bone, consisting of the upward projecting crista galli and to either side of this, the cribriform plates.

From Textbooks ● Jun. 19, 2013

A small area of the ethmoid bone, consisting of the crista galli and cribriform plates, is located at the midline of this fossa.

From Textbooks ● Jun. 19, 2013

All of the species in the Hyla uranochroa group have large frontoparietal fontanelles, rather small ethmoids, and small nasals that are not in contact with one another or with the ethmoid.

From A Review of the Middle American Tree Frogs of the Genus Ptychohyla by William E. Duellman

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