| A | B |
| epidermus | outermost covering |
| melanin | can have a black, brown or yellow tint |
| Subcutaneou | adipose layer |
| shaft | protrudes from skin surface |
| Keratin | nonliving protein substance |
| Dermis | considered the true layer of skin |
| sudoriferous | sweat gland |
| hair follicle | tube that holds the hair root |
| Arrector Pili | smooth muscle causing "goosebumps" |
| Matrix | anothr term for nailbed |
| dermatitis | inflammation of the skin |
| melanocytes | cells that contain skin pigment |
| albinism | caused by an absence of melanin |
| papillae | permanent ridges of the skin |
| cortex | the outer cuticle layer of the hair shaft |
| root | the part of the hair implanted in the skin |
| sebaceous glands | they produce a thick, oily substance |
| sebum | lubricates the skin, keeping it soft and pliable |
| papilla | contains capillaries that nourish the hair follicle |
| alopecia | baldness |