Follicle

n.	1.	(Bot.) A simple podlike pericarp which contains several seeds and opens along the inner or ventral suture, as in the peony, larkspur and milkweed.
	2.	(Anat.) A small cavity, tubular depression, or sac; as, a hair follicle.

Noun

1.

follicle - any small spherical group of cells containing a cavity

alveolation, alveolus, antrum, armpit, basin, boll, bowl, burr, capsule, cavity, cod, concave, concavity, crater, crypt, cup, depression, dip, fold, funnel chest, hole, hollow, hollow shell, hull, husk, lacuna, legume, legumen, pease cod, pericarp, pit, pocket, pod, punch bowl, scoop, seed pod, seed vessel, seedbox, seedcase, shell, silique, sink, sinus, socket, trough, vug