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单词 parasphenoid
释义 parasphenoid, a. (n.) Zool. and Comp. Anat.|pærəsˈfiːnɔɪd|
[f. para-1 1 + sphenoid.]
Lying alongside the sphenoid bone; epithet of a bone extending in the median line along the base of the skull in birds, reptiles, amphibians, and fishes. b. as n. The parasphenoid bone.
1872Mivart Elem. Anat. 137 The para-sphenoid bone encloses it below.1875Huxley in Encycl. Brit. I. 754/2 The parasphenoid has the form of a dagger with a very wide guard and short handle.1884Athenæum 13 Dec. 775/1 Mr. Sutton came to the conclusion that the parasphenoid of fishes was the homologue of the vomer of mammals.
Hence paraspheˈnoidal a., of the nature of or pertaining to the parasphenoid.
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