| A | B |
|---|
| UVA | ultraviolet ray that causes burns / skin damage |
| UVB | ultraviolet rays that assist integument in making vitamin D |
| vitamin D | needed for absorption of calcium |
| calcium | mineral stored in bones |
| lanugo | peach-fuzz baby hair |
| psoriasis | bumpy skin inflammation |
| melanocytes | cells which make the skin coloration |
| keratin | tough protein which protects skin - like calluses |
| intrinsic | factors which cause aging in skin - like DNA |
| extrinsic | outside factors which cause aging in skin - like sun / chemicals |
| angiogenesis | formation of new blood vessels |
| pheromones | chemical messages excreted by animals to attact mates or deter predatorsy |
| apocrine | type of gland / secretion which releases pheromones |
| eccrine | type of gland / secretion that creates sweat |
| follicle | hair grows from this |
| medulla | the center of the hair shaft |
| cuticle | the outside portion of the hair shaft, often looks scaly |
| commensals | GOOD bacteria and yeast which preven the bad ones from entering skin |
| dilate vessels | when hot, this happens to release heat from blood |
| constrict vessels | when cold, this brings blood closer the "core" of body to keep warm |
| lunula | the half-moon looking portion of the fingernail |
| nail root | area from which finger / toe nails grow |
| acne | caused from bacteria, build up of sebum, hormonla changes and genetics |
| evaporation | when sweating, this pulls the sweat off you .. thus cooling you |
| fibroblast | cells which build fibers |
| collagen | the most abundant protein in your body |
| elastin | stretchy protein, found in skin to return to shape |
| homeostasis | maintaining a constant level (like always 37* C) |
| 1st degree | type of burn with redness of skin |
| 2nd degree | burn which results in swelling and blisters in dermal layers |
| 3rd degree | type of burn which removes the epidermis / dermis |
| cerumen | ear wax |
| sebaceous gland | produces oils (sebum) into hair follicle |
| dermis | the middle layer of skin |
| epidermis | the outer layer of skin |
| subcutaneous | deep layer of skin, with adipose |
| adipose | reserve energy (fat) |
