| 释义 |
proral, a.|ˈprɔərəl|
[f. L. prōr-a prow + -al1.]
†a. Anat. in proral bone, one of the original elements of the occipital. Obs. rare.
b. Zool. Of or pertaining to the proræ of a cymba: see prec. 2.
1831R. Knox Cloquet's Anat. 51 At birth the occipital bone..appears to be formed by four centres... These four pieces form at that period so many distinct bones, which have been described as such under the names of the proral or squamous, condyloid and basilar bones. 1887Sollas in Encycl. Brit. XXII. 418/1 s.v. Sponge, By growing towards the equator the opposed proral and pleural pteres may conjoin. |