BioScience Dictionary

 
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Ot.

Found Vestigial 2 times.

Displaying results 1 to 10.

1. Vestigial
Refers to an organ or part (e.g., the human appendix) which is greatly reduced from the original ancestral form and is no longer functional.

2. Vestigial structures
Nonfunctional remains of organs that were functional in ancestral species and may still be functional in related species; e.g., the dewclaws of dogs.

View web definitions »

Learn more about Vestigial »