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follicle Definition
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follicle
noun(fol-li-cle)a small anatomical cavity or deep narrow-mouthed depression
follicle
noun(fol-li-cle)a small lymph node
follicle
noun(fol-li-cle)a vesicle in the mammalian ovary that contains a developing egg surrounded by a covering of cells; especially : graafian follicle
follicle
noun(fol-li-cle)any of several minute mites (genus Demodex) parasitic in hair follicles
follicle
noun(fol-li-cle)a hormone produced by the anterior lobe of the pituitary gland that stimulates the growth of the ovum-containing follicles in the ovary and activates sperm-forming cells —abbreviation FSH
follicle
noun(fol-li-cle)a mature liquid-filled cavity in a mammalian ovary that ruptures during ovulation to release an egg
follicle
noun(fol-li-cle)the tubular epithelial sheath that surrounds the lower part of the hair shaft and encloses at the bottom a vascular papilla supplying the growing basal part of the hair with nourishment