urostyle

[ yoor-uh-stahyl ]

noun

, Anatomy.

1. the fused vertebrae at the posterior end of the spinal column of some fishes and tailless amphibians.

urostyle

/ ˈjʊərəʊˌstaɪl /

noun

1. the bony rod forming the last segment of the vertebral column of frogs, toads, and related amphibians

Word History and Origins

Origin of urostyle¹

First recorded in 1870–75; uro- ² + -style ²

Word History and Origins

Origin of urostyle¹

C19: from uro- ² + Greek stulos pillar

Example Sentences

The post-sacral part of the spinal column ossifies continuously, forming an unsegmented cylindrical rod, the urostyle.

From Project Gutenberg

The urostyle is a long rod-like bone forming the posterior unsegmented continuation of the vertebral column.

From Project Gutenberg

In Anura the number of vertebrae is very greatly reduced, only nine and the urostyle being present.

From Project Gutenberg

The urostyle is a long cylindrical rod which articulates with the sacrum generally by two facets.

From Project Gutenberg

The urostyle is post-sacral and corresponds to three or more modified vertebrae.

From Project Gutenberg