a. A small bodily cavity or sac.
b. A crypt or minute cul-de-sac or lacuna, such as the depression in the skin from which the hair emerges.
c. An ovarian follicle.
d. A spherical mass of cells usually containing a cavity.
2. Botany A dry, single-chambered fruit that splits along only one seam to release its seeds, as in larkspur and milkweed.
[Latin folliculus, little bag, diminutive of follis, bellows; see bhel-2 in the Appendix of Indo-European roots.]
(click for a larger image)follicle
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