vestige

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vestige

 [ves´tij]
the remnant of a structure that functioned in a previous stage of species or individual development. adj., adj vestig´ial.

ves·tige

(ves'tij), [TA]
A trace or a rudimentary structure; the degenerated remains of any structure which occurs as an entity in the embryo or fetus.
Synonym(s): vestigium [TA]
[L. vestigium]

vestige

(vĕs′tĭj)
n.
1. A visible trace, evidence, or sign of something that once existed but exists or appears no more: a building that is the area's last vestige of its colonial era.
2. Biology A rudimentary or degenerate, usually nonfunctioning, structure that is the remnant of an organ or part that was fully developed or functioning in a preceding generation or an earlier stage of development.

ves·tige

(ves'tij) [TA]
A trace or a rudimentary structure; the degenerated remains of any structure that occurs as an entity in the embryo or fetus.
[L. vestigium]

vestige

A body structure with no current apparent function which appears to have had a function at a previous evolutionary stage.