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U4 Vocab
integumentary system and membranes
| Question | Answer |
|---|---|
| membranes | thin sheets or layers of pliable tissue |
| epithelial membranes | provide a lining, or covering, for the internal and external surfaces |
| mucous membranes | thin sheets of tissues that line the body cavities that open to the outside world |
| serous membranes | thin sheets of tissue that line the body cavities that are 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 membranes | 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; also includes nails and hair |
| keratin | a tough protein found in bone |
| melanocytes | specialized cells in the skin that produce melanin |
| melanin | pigment that protects the body against the harmful affects of UV ray damage from the sun |
| epidermis | the outer layer of skin |
| 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 |
| dermis | layer of the skin between the epidermis and hypodermis; includes nerve endings, glands, and hair follicles |
| phagocytes | specialized white blood cells that engulf, consume bacteria and foreign material |
| papillary layer | outer layer of the dermis |
| reticular layer | the layer of skin superficial to the papillary layer |
| lipocytes | fat storing cells |
| sudoriferous glands | sweat glands that are distributed in the dermis over the entire body |
| eccrine glands | major sweat glands of the body |
| apocrine glands | glands that secrete a milky fluid consisting of sweat, fatty acids, and protein |
| sebaceous glands | glands located all over the body to create sebum |
| hypodermis | layer of skin beneath the dermis, which serves as a storage repository for fat |
| sebum | oily substance that helps to keep skin and hair soft |
| basal cell carcinoma | most common form of skin cancer |
| malignant melanoma | cancer of the melanocytes-most serious form of skin cancer |
| peritonitis | inflammation of the peritoneum |
| pleurisy | inflammation of the pleura |
| squamous cell carcinoma | rapidly growing cancer that appears as a scaly, reddened patch of skin |
Created by:
mrt.17000