Integumentary system
Videos
The integumentary system is the set of organs forming the outermost layer of an animal's body, comprising the skin, hair, scales, feathers, hooves, claws, and nails. It acts as a protective physical b
3D still showing human integumentary system
Epidermis and dermis of human skin
Feather
Videos
Feathers are epidermal growths that form a distinctive outer covering, or plumage, on both avian and some non-avian dinosaurs and other archosaurs. They are the most complex integumentary structures f
Integumentary system
…The integumentary system is the set of organs forming the outermost layer of an animal's body, comprising the skin, hair, scales, feathers, hooves, claws, and nails. It acts as a protective physical barrier between the external environment and the internal environment. Additionally, it…
Feather variations
Parts of a feather: Vane Shaft, rachis Barbs Aftershaft, afterfeather Quill, calamus
Filoplumes can be important in nuptial display; in the great cormorant they are white, and produced on the head and upper neck at the start of the breeding season, and shed soon after nesting.
Feather structure of a blue-and-yellow macaw