vertebra

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vertebra

one of the bony segments of the spinal column
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

vertebra

[′vərd·ə·brə]
(anatomy)
One of the bones that make up the spine in vertebrates.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Congenital absence of tail in calves have been reported by Lotfi and Shahryar (2009) and Williams (2010) but in our case, the animal was having a tail with only five coccygeal vertebra associated with rat tail syndrome.
In the current study sacrum with five pairs of sacral foramina are formed due to complete bilateral fusion of fifth lumbar vertebra with the first sacral vertebra or complete bilateral fusion of first coccygeal vertebra with fifth sacral vertebra (Sacralization of fifth lumbar vertebra or sacralization of first coccygeal vertebra), the sacrum consisting of six segments.
The prevalence of the sacralization of fifth lumbar vertebra varies from 1.7% to 14% [10,11] and sacralization of first coccygeal vertebra varies from 7.8% to 37% in different populations by origin.
Similarly, at the caudal end, first coccygeal vertebra when fuses with the apex of sacrum is known as sacralization of coccygeal vertebra.