| 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. |