| 释义 |
sphenethmoid, n. and a. Zool.|sfɪˈnɛθmɔɪd|
[f. Gr. σϕήν wedge (cf. spheno-) + ethmoid.]
One of the cranial bones in batrachians, situated at the base of the skull; the girdle bone. Also sphenethmoid bone.
1875Huxley in Encycl. Brit. I. 754/1 As it takes the place of the ethmoid, presphenoid, and orbito-sphenoids, it may be termed the sphen-ethmoid. 1877Huxley & Martin Elem. Biol. 218 Appearing at the base of the skull, at the front end of the parasphenoid, is the girdle-bone or sphenethmoid. 1903Encycl. Brit. XXXV. 896 Sphen-ethmoid bone. |