vestigial
From ZooTerms (Dictionary of Invertebrate Zoology)
Revision as of 23:38, 13 September 2013 by Andreas Plank (Talk | contribs) (1 revision: import_adjective)
degenerate, nonfunctional organ that was ancestrally more fully developed or functional.
vestigial (adjective; Latin vestigium, footprint): Pertaining to a small,