follicle

Noun
  1. Any small spherical group of cells containing a cavity (synset 105525745)
    is a type of: cyst, vesicle - a small anatomically normal sac or bladderlike structure (especially one containing fluid)
    subtypes:
    • 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

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