| 释义 |
urostyle
urostyle (ˈjʊərəʊˌstaɪl) n (Zoology) the bony rod forming the last segment of the vertebral column of frogs, toads, and related amphibians[C19: from uro-2 + Greek stulos pillar]u•ro•style (ˈyʊər əˌstaɪl)
n. the fused vertebrae at the posterior end of the spinal column of tailless amphibians. [1870–75] Urostyle
urostyle[′yu̇r·ə‚stīl] (vertebrate zoology) An unsegmented bone representing several fused vertebrae and forming the posterior part of the vertebral column in Anura. Urostyle a rodlike bone in the caudal portion of the vertebral column of some vertebrates, formed by the fusion of all caudal vertebrae (in salientians) or of only the terminal caudal vertebrae (in bony fishes). Together with the hypural bones, the urostyle supports the radials of the homocercal fin of bony fishes. urostyle
urostyle a slender, pointed bone at the base of the backbone in amphibians, which is formed from fused vertebrae. |