A small secretory cavity, sac, or gland, in particular:
sheath surrounding the root of a hair
A parasitic mite which burrows into the hair follicles, causing demodectic mange
A fluid-filled structure in the mammalian ovary within which an ovum develops prior to ovulation
Another term for Graafian follicle.
structure in the ovary
A hormone secreted by the anterior pituitary gland which promotes the formation of ova or sperm
The sheath of cells and connective tissue which surrounds the root of a hair