noun, plural pterylae
[ter-uh-lee, -lahy] /ˈtɛr əˌli, -ˌlaɪ/ (Show IPA). Ornithology.
one of the feathered areas on the skin of a bird.
noun (pl) -lae (-ˌliː)
(ornithol) any of the tracts of skin that bear contour feathers, arranged in lines along the body of a bird
Program Temporary Fix PTF plasma thromboplastin factor
abbreviation 1. polytetrafluoroethylene PTFE polytetrafluoroethylene (Teflon)
1. printing. abbreviation 1. printing ptg. printing
PTGS post-transcriptional gene silencing
1. parathyroid hormone. PTH abbr. parathyroid hormone PTH parathyroid hormone