人的皮肤表面除了手掌、足底和手指、足趾第三节的背面、口唇紅緣、龟头、陰蒂和包皮內面以外,都生長有長短不一、粗细不等的毛,它們按照生長部位的不同而有不同的名称。例如生長在头皮上的長毛叫做头髮;生長在眉部的叫做眉毛;生長在眼皮边緣的叫做睫毛;生長在腋窩的叫腋毛;生長在陰部的叫陰毛;男性到了青春期以后,还在面部生長胡須(長在腮部的叫做髯,長在上脣上方的叫做鬍,長在下巴的叫做鬚);生長在面部、軀干、四 In addition to the palms, soles and fingers, the back of the third section of the toes, the red lips of the lips, the glans, the clitoris, and the inside of the foreskin, the human skin has growths of hairs of varying lengths and sizes, depending on the site of growth. Different and have different names. For example, the long hair growing on the scalp is called hair; the eyebrows growing on the eyebrows are called eyebrows; the growth on the edges of the eyelids is called eyelashes; the growth on the armpits is called armpit hair; the growth on the genitals is called pubic hair; and when men reach puberty, they are still on the face. Growing beard (long in the crotch is called cicada, grows above the upper lip is called Hu, grows in the chin called must); grows in the face, trunk, four