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ANATOMY 3.2 VOCAB
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| Term | Definitions |
|---|---|
| Integumentary system | What we refer to the skin as. |
| Keratin | A tough protein in hair, skin and nails that add structural strength. |
| Melanocytes | Specialized cells that produce melanin |
| Melanin | The pigment that protects our body from harmful UV rays |
| Epidermis | The outer layer of the skin |
| Dermis | The underlying layer of the skin |
| Hypodermis | The layer below the dermis |
| Stratum corneum | The outer layer of the epidermis |
| Stratum lucidum | Clear layer of thick skin on the hands and feet |
| Stratum spinosum and stratum granulosum | The layer where cells get flatter and filled with more keratin |
| Stratum basale | The innermost layer of the skin |
| Epidermal dentritic cells | Specialized cells associated with the immune and nervous system |
| Merkel cells | Form junctions with sensory nerve endings |
| Papillary layer | The outer layer of the dermis |
| Reticular layer | The layer under the papillary layer |
| sudoriferous glands | Sweat glands |
| Sebacous glands | glands on the hands and feet that secrete sebum |
| Sebum | Oily substance that contains chemicals that kill bacteria |