- any small sac, cavity, or gland for excretion or secretion: a hair follicle
- Obs. a lymph nodule
- Bot. a dry seed pod with a single cavity, that splits open along only one seam to release its seeds, as a milkweed pod
Origin of follicleModern Latin folliculus ; from L, a small bag, husk, pod, diminutive of follis, bellows ; from Indo-European base an unverified form bhel-, to blow up, swell from source ball, bull
- Anatomy 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.
- Botany A dry, single-chambered fruit that splits along only one seam to release its seeds, as in larkspur and milkweed.
Origin of follicleLatin folliculus, little bag, diminutive of follis, bellows; see bhel-2 in Indo-European roots.
From Latin folliculus.