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ch3 anatomy vocab
| Term | Definition |
|---|---|
| membranes | thin sheets or layers of pliable tissue |
| epithelial membranes | thin sheets of tissue lining the internal and external surfaces of the body |
| mucous membranes | thin sheets of tissue lining the body cavities that open to the outside world |
| serous membranes | thin sheets of tissues that line body cavities closed to the outside world |
| pleura | the membrane that encases the lungs |
| pericardium | the membrane that surrounds the heart |
| peritoneum | the membrane that lines the abdominal cavity |
| serous fluid | a thin, clear liquid that serves as a lubricant between parietal and visceral membranes |
| cutaneous membranes | another name for skin |
| synovial membrane | the lining of the synovial joint cavity that produces synovial fluid |
| synovial fluid | a clear liquid secreted by synovial membranes that provides cushioning for and reduces friction in synovial joints |
| integumentary system | enveloping organ of the body that includes the epidermis, dermis, sudoriferous and sebaceous glands, nails, and hair |
| keratin | a tough protein found in the skin, hair, and nails |
| melanocytes | specialized cells in the skin that produce melanin |
| melanin | a pigment that protects the body against harmful effects of ultraviolet ray damage from the sun |
| epidermis | the outer layer of skin |
| dermis | layer of skin between the epidermis and hypodermis; includes nerve endings, glands, and hair follicles |
| hypodermis | the layer of skin beneath the dermis, which serves as a storage repository for fat |
| stratum corneum | the outer layer of the epidermis |
| stratum lucidum | the clear layer of thick skin found only on the palms of the hands, fingers, soles of feet, and toes |
| stratum granulosum | a layer of somewhat flattened cells lying just superficial to the stratum spinosum and inferior to the stratum lucidum |
| stratum spinosum | the layers of cells in the epidermis superior to the stratum basale and inferior to the stratum granulosum |
| stratum basale | the deepest layer of the epidermis |
| keratinocytes | cells within the epidermis that produce keratin |
| epidermal dendritic cells | skin cells that initiate an immune system response to the presence of foreign bacteria or viruses |
| merkel cells | touch receptors in the skin |
| papillary layer | the outer layer of the dermis |
| reticular layer | the layer of skin superficial to the papillary layer |
| surdoriferous glands | sweat glands that are distributed in the dermis over the entire body |
| sebaceous glands | glands located all over the body that produce sebum |
| sebum- | an oily substance that helps keep the skin and hair soft |
| first degree burns | burns that affect only the epidermal layer of the skin |
| second degree burns | burns that involve damage to both the epidermis and the upper portion of the underlying dermis; characterized by blisters |
| third degree burns | burns that destroy the entire thickness of the skin |
| rule of nines | a method used in calculating body surface area affected by burns |
| herpes varicella(chicken pox) | a highly contagious common childhood disease that is characterized by extremely itchy, fluid-filled blisters |
| herpes zoster(shingles) | a disease that involves a painful, blistering rash accompanied by headache, fever, and a general feeling unwellness |
| herpes simplex virus type 1 (HSV-1) | the form of herpes that generates cold sores or fever blisters around the mouth |
| herpes simplex virus type 2 (HSV-2) | the genital form of herpes |
| common warts | warts that typically appear on the hands or fingers and disappear without treatment |
| basal cell carcinoma | the most common form of skin cancer and the least malignant type |
| cellulitis | a bacterial infection characterized by an inflamed area of skin that is red, swollen, and painful |
| impetigo | a bacterial infection common in elementary school children that is characterized by pink, blister like bumps on the face |
| malignant melanoma | cancer of the melanocytes;the most serious form of skin cancer |
| peritonitis | inflammation of the peritoneum, the membrane lining the inner wall of the abdomen and covering the abdominal organs |
| plantar warts | warts that develop on the soles of the foot and grow inward, can become painful |
| pleurisy | inflammation of the pleura, the membrane that encases the lungs |
| psoriasis | a common skin disorder that involves redness, irritation, and scales that itch, burn, crack, and sometimes bleed |
| squamous cell carcinoma | a type of rapidly growing cancer that appears as a scaly, reddened patch of skin |
| tinea | a fungal infection that tends to occur in areas of the body that are moist |
Created by:
espindan1