BIO210Y5 Chapter Notes - Chapter 11: Squamous Cell Carcinoma, Basal-Cell Carcinoma, Hair Follicle
Document Summary
Ultraviolet (uv) radiation causes dna mutations and burns that lead to cancer and wrinkles. At a lower level, uv radiation will burn your skin, but at a deeper level it causes more serious issues. Depending on where the mutation takes place, you may have: Production of melanin (colour of the skin) and keratin (cid:894)shape to the ski(cid:374) a(cid:374)d prote(cid:272)tio(cid:374) stre(cid:374)gth(cid:895) Synthesis of vitamin d3 (needed to facilitate bone growth) Yes: needs to have two of more tissues that work together to perform some type of function. Glands: secretion (sweat, hormones/pheromones), oils and lipids. Structures of the integument: which structures make up the skin, hair follicle, nerves, blood vessels, glands. Papillary layer (holding onto the epidermis and anchoring it to the dermis) Reticular layer (glands, blood vessels, lipids, receptors, and most other functions of the integument: hypodermis (bottom layer) Epidermis can have thin skin and thick skin (soles of feet and palms)
