PTERYLA
Source: 567
‖Pte‐ry″la (?), n.; pl. Pterylæ (#). [] (Zoöl.) One of the definite areas of the skin of a bird on which feathers grow; — contrasted with apteria.
Source: 567
‖Pte‐ry″la (?), n.; pl. Pterylæ (#). [] (Zoöl.) One of the definite areas of the skin of a bird on which feathers grow; — contrasted with apteria.