noun
- a feather-bearing area on a bird’s skin
Usage: ornithology
Examples
- The ornithologist examined the pteryla on the bird’s wing.
- Feathers grow only in specific areas called pterylae.
- The pteryla pattern varies between different bird species.
- Scientists study pterylae to understand feather development.
- The dorsal pteryla covers the bird’s back region.
- Pterylae are separated by bare areas of skin called apteria.