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Vocabulary chapter 3
| Question | Answer |
|---|---|
| Subcutaneous layer composed of fat | Adipose tissue |
| Also called true skin; consists of two layers and supplies akin with oxygen and nutrients | Dermis |
| Denser and deeper layer of the dermis; comprised mainly of collagen and elastin | Reticular layer |
| Small, cone shaped structures at the bottom of the hair follicles | Hair papillae |
| Fibrous protein that provides resiliency and protection to the skin | Keratin |
| Thin protective covering with many nerve endings; consists of five layers called strata | Epidermis |
| Horny layer of the epidermis | Stratum corneum |
| Skin pigment | Melanin |
| Fibrous protein that gives skin its strength and is necessary for wound healing | Collagen |
| Fibrous protein that forms elastic tissue and gives skin its elasticity | Elastin |
| Remove waste products bacteria and excess fluid | Lymph vessels |
| Consist of layer of a connective collagen tissue with many small pockets and holes | Dermal/epidermal junction |
| Where stem cell undergo continuos mitosis to replenish skin cells that are shed from the surface | Stratum germinativum |
| Where cell continuos to divide and enzymes are creating lipids and proteins | Stratum spinosum |
| Where production of keratin and intercellular lipids take place | Stratum granulosum |
| Thin, clear layer of dead akin cells | Stratum lucidum |
| Cells that produce pigment granules in the nasal layer | Melanocytes |
| Larger protein molecules and water binding substances found between the fiber of the dermis | Glycosaminoclycans |
| Work to absorb process and carry antigen to the neareast lymph for future immune system reaction | Langerhan cells |
| Unstable molecules that steal electrons from another molecule to regain balance | Free radicals |
| White blood cells that have enzymes to digest and kill bacteria and parasites | Leokocytes |