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Anatomy chap3
| Question | Answer |
|---|---|
| what are the 2 main categories of the body membranes ? | Epithelial and connective tissue |
| How many epithelial membranes are there? Name them, | there are 3 epithelial membranes. They are mucous, serious and cutaneous |
| List three examples of serious membrane | Pleura, pericardium, and peritoneum |
| What is the function of serous fluid | serous fluid serves as a lubricant between parietal and visceral membranes in order to limit friction |
| what is the relationship between synovial membrane and synovial fluid? what is the function of synovial fluid? | synovial membranes secrete synovial fluid, synovial fluid provides cushioning and reduces friction for moving structures |
| what are bursae | connective tissue sacs that are cushions for tendons and ligaments that surround joints. |
| melanocytes | specialized cells in the skin that produce melanin |
| stratum lucidum | The clear layer of thick skin found only on the palms of hands, fingers, soles of the feet and toes |
| Dermis | found between the epidermis and the hypodermis, the dermis also includes never endings, glands, and hair follicles |
| sebaceous glands | Glands located all over the body; produce sebum |
| Stratum basale | The deepest layer of the epidermis |
| Hypodermis | The layer of skin under the dermis; stores fat |
| Sudoriferous glands | secret sweat and are distributed in the dermis over the entire body |
| keratin | a tough protein found in the skin, hair, and nails |
| integumentary system | the enveloping organ of the body that includes the epidermis, dermis, sudoriferous and sebaceous glands, plus hair and nails |
| reticular layer | the coat of skin superficial to the papillary layer |
| stratum spinosum | The layer of cells in the epidermis superior to the stratum basale and inferior to the stratum granulosum |
| sebum | an oily substance that helps keep the hair and skin soft |
| Melanin | A pigment that protects the body from the damaging effects of ultraviolet rays (uv) |
| Epidermal dendritic cells | initiate and immune system response to foreign bacteria or virus |
| Stratum corneum | The epidermis outer layer |
| keratinocytes | The cells within the epidermis that make keratin |
| Papillary layer | The outer coat of the dermis |
| Merkel cells | the skins touch receptors |
| epidermis | the outer layer of the skin |
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