sideburn: facial hair that has grown down the side of a man's face in front of the ears (especially when the rest of the beard is shaved off)
body covering: any covering for the body or a body part
follicle-stimulating hormone: a gonadotropic hormone that is secreted by the anterior pituitary and stimulates growth of Graafian follicles in female mammals, and activates the cells in male mammals that form sperm