follicle

Definitions of follicle
1

n any small spherical group of cells containing a cavity

Types:
hair follicle
a small tubular cavity containing the root of a hair; small muscles and sebaceous glands are associated with them
Graafian follicle
a vascular body in a mammalian ovary enclosing a developing egg
Type of:
cyst, vesicle
a small anatomically normal sac or bladderlike structure (especially one containing fluid)

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