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follicle science definition
- A small, protective sac, gland, or cluster of cells in the body. In mammals, unfertilized eggs develop in follicles located in the ovaries. Hair grows from follicles in the skin.
- A dry, dehiscent fruit that develops from a single carpel, has a single chamber, and splits open along only one seam to release its seeds. The pod of the milkweed and the fruit of the magnolia are follicles.
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