Hairy skin Glabrous skin Merkel's梅克尔触盘 disk Epidermis Epidermal- dermal border Free nerve ending Dermis Meissner corpuscle迈斯纳小体 Hair follicle eceptor Pacinian 环层小体 corpuscle Ruffini's ending环层小体 迈斯纳小体 梅克尔触盘