Definition of Ethmoidal
1. [adj]
Medical Definition of Ethmoidal
1.
Like a sieve; cribriform.
Pertaining to, or in the region of, the ethmoid bone.
Ethmoid bone, a bone of complicated structure through which the olfactory nerves pass out of the cranium and over which they are largely distributed.
Origin: Gr. Like a sieve; sieve + from: cf. F. Ethmoide, ethmoidal.
Source: Websters Dictionary
(01 Mar 1998)
Lexicographical Neighbors of Ethmoidal
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