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Follicle

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Follicle may refer to:

Follicle (anatomy)
Follicle (anatomy)
A follicle is a small spherical or vase-like group of cells containing a cavity in which some other structure grows. Follicles are best known as the sockets from which hairs grow in humans and other mammals, but the bristles of annelid worms also grow from such sockets....

, a small spherical group of cells containing a cavity:
- Dental follicle
  Dental follicle
  The dental follicle is a sac containing the developing tooth and its odontogenic organ. The dental follicle differentiates into the periodontal ligament. In addition, it may be the precursor of other cells of the periodontium, including osteoblasts and cementoblasts...
- Hair follicle
  Hair follicle
  A hair follicle is a skin organ that produces hair. Hair production occurs in phases, including a growth phase , and cessation phase , and a rest phase . Stem cells are principally responsible for the production of hair....
- Lymph follicle
- Ovarian follicle
  Ovarian follicle
  Ovarian follicles are the basic units of female reproductive biology, each of which is composed of roughly spherical aggregations of cells found in the ovary. They contain a single oocyte . These structures are periodically initiated to grow and develop, culminating in ovulation of usually a single...
- Thyroid follicle
Follicle (fruit)
Follicle (fruit)
In botany, a follicle is a dry unilocular many-seeded fruit formed from one carpel and dehiscing by the ventral suture in order to release seeds, such as in larkspur, magnolia, banksia, peony and milkweed....