Uberon definition : A small tubular invagination of the skin with a fleshy dermal papilla at the bottom
from which the feather grows. The papilla is inserted in the opening at the end of
the quill[TMD]. Forms by invagination of cylinder of epidermal tissue at base of feather
bud.;
Uberon related term : feather bud;
Uberon Structure note : The follicle consists of a series of tissue layers (from peripheral to central), including
the dermis of the follicle, the epidermis of the follicle (outer epidermal layer),
the follicle cavity or lumen (the space between epidermal layers), the follicle (epidermal)
collar (or inner epidermal layer), and the dermal pulp (tissue at the center of the
follicle). The proliferation of feather keratinocytes and most of the growth of the
feather occurs in the follicle, or epidermal, collar (From: Prum 1999).;
A small tubular invagination of the skin with a fleshy dermal papilla at the bottom
from which the feather grows. The papilla is inserted in the opening at the end of
the quill[TMD]. Forms by invagination of cylinder of epidermal tissue at base of feather
bud.
Automatic exact mappings (from CISMeF team)