Another terrier to add to the list of low-cost dog breeds. These guys are gentler and less excitable than most other terriers. If you want minimal grooming and walking, the Glen of Imaal Terrier will be a good fit for you. They are another small dog with minimal shedding making for cheap clean up and low cost grooming.
(plural vestigial structures). ( 1 biology) A structure in an organism that has lost all or most of its original function in the course of evolution, such as human appendixes. 2  Link/Cite. 3  Home. 4  Dictionary Definitions. 5  vestigial-structure.
Vestigial describes an organ or body part that continues to exist without retaining its original function, such as our appendix. The adjective vestigial derives from the Latin word vestigium, meaning footprint, trace.. It's most often used in biology to describe something that either didn't finish developing or has become, through evolution, pretty much useless. An ostrich's wings are vestigial because it's unable to fly â or do much of anything â with them.