pteryla(redirected from pterylae)
Also found in: Dictionary, Thesaurus, Encyclopedia.
n. pl. ptery·lae (-lē′, -lī′)
An area on the skin of a bird from which feathers grow.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.