Definition of Pterylae. Meaning of Pterylae. Synonyms of Pterylae

Here you will find one or more explanations in English for the word Pterylae. Also in the bottom left of the page several parts of wikipedia pages related to the word Pterylae and, of course, Pterylae synonyms and on the right images related to the word Pterylae.

Definition of Pterylae

Pterylae
Pteryla Pte*ry"la, n.; pl. Pteryl[ae]. [NL., fr. Gr. ? feather + ? wood, forest.] (Zo["o]l.) One of the definite areas of the skin of a bird on which feathers grow; -- contrasted with apteria.

Meaning of Pterylae from wikipedia

- birds the feathers grow from specific tracts of skin called pterylae; between the pterylae there are regions which are free of feathers called apterylae...
- attached to the skin and arise only in specific tracts of skin called pterylae. The distribution pattern of these feather tracts (pterylosis) is used...
- berries as they mature. The chicks are psilopaedic (having down only in the pterylae). Eggs and chicks may be pre**** on by the greater coucal and crows. They...
- Singular: apteryla. Also, apteria. Regions of a bird's skin, between the pterylae (feather tracts), which are free of contour feathers; filoplumes and down...
- feathers, hence they have no preen glands. They have no separation of pterylae (feathered areas) and apteria (non-feathered areas), and finally, they...
- ornithology was pterylography, the study of the patterns of distribution of the pterylae and apterylae particularly in young birds as these were morphological indicators...