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 lateral aspects of the ethmoid bone contain multiple small spaces separated by very thin bony walls.

From Textbooks • Jun. 19, 2013

It is divided at the midline by the crista galli and cribriform plates of the ethmoid bone.

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

From Textbooks • Jun. 19, 2013

Sometimes the perpendicular plate of the ethmoid is implicated, and the fracture in this way comes to involve the base of the skull.

From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander