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AP MOD. I-Skin
integumentary system
| Term | Definition |
|---|---|
| cutaneous membrane | the skin |
| parietal membrane | lines walls of body cavities |
| visceral membrane | covers organs found in body cavities |
| pleura | lines walls of thoracic cavity and covers the lungs |
| peritoneum | lines walls of abdominal cavity and cover organs in that cavity |
| pleurisy | inflammation of the pleura |
| peritonitis | inflammation of the peritoneum |
| mucous membranes | line body faces that open directly to the exterior |
| mucous | thick secretion produced by mucous membranes |
| connective tissue membranes | do not contain epithelial components |
| synovial fluid | lubricant produced by connective tissue |
| epidermis | outermost, thinnest layer of the skin |
| keratin | waterproof protein in the skin |
| melanin | brown pigment in the skin |
| cyanosis | bluish gray color of skin, indicated decreased oxygen level |
| vitiligo | patchy light skin areas due to loss of melanocytes |
| melanocytes | pigment cells |
| dermis | deeper layer of skin |
| striae | stretch marks-caused by overstretching of the skin |
| subcutaneous tissue | hypodermis-contains fibrous connective tissue and adipose tissue |
| sudoriferous glands | sweat glands |
| eccrine sweat glands | most numerous, widespread |
| appocrine sweat glands | found in armpits and groin |
| sebaceous glands | secrete oil (sebum) |
| protection | first line of defense provided by skin |
| papule | small, firm raised lesion |
| plaque | larger raised lesion |
| vesicle | blister |
| crust | scab |
| wheal | hive |
| macule | flat, discolered region |
| excoriation | missing epidermis, scratch |
| ulcer | craterlike lesion |
| fissure | deep crack or break in skin |
| first-degree burn | (partial-thickness)-surface layer |
| second-degree burn | (partial-thickness)-deep epidermal layers |
| third-degree burn | (full-thickness)-complete destruction of epidermis and dermis |
| fourth-degree burn | involves muscle and bones |
| impetigo | highly contagious staph or strep infection |
| tinea | fungal infection |
| warts | benign neoplasm caused by papillomavirus |
| boils | furuncles: caused by staph infection in hair follicles |
| scabies | parasitic infection |
| decubitus ulcers | (bedsores)-caused by pressure to local areas of skin |
| scleroderma | characterized by hardening of the skin |
| psoriasis | chronic inflammatory condition, scaly plaques |
| eczema | inflammatory condition; papules, vesicles and crusts |
| squamous cell carcinoma | most common: hard, raised tumors |
| basal cell carcinoma | papules with a central crater, rarely spreads |
| melanoma | malignant mole-most serious |
| Kaposi sarcoma | purple lesions, associated with AIDS |
Created by:
ddoyon
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