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Unit Exam 2 CCCUA

Integumentary System

TermDefinition
parietal peritoneum the outer layer of serous membrane that lines the abdominal cavity
visceral peritoneum the innner layer of serous membrane that covers all the organs contained within the abdomen
visceral pleura the thin serous membrane that covers the lungs itself
parietal pleura the outer covering of the stick to the inner thoracic wall
bursae A closed sac lined with a synovial membrane filled with fluid found around most major joints of the body
epithelial membrane it is made up of epithelial tissue and an underlying layer of specialized connective tissue
three types of epithelial membranes 1. Cutaneous membrane 2. Serous membrane 3. Mucouse membrane
cutaneous membrane the skin
mucous membrane a mucus-secreting membrane lining all bodily passages that are open to the air, as parts of the digestive and respiratory tracts
dermal papillae small, nipple-like extensions of the dermis into the epidermis
stratum corneum outermost layer of the epidermis and protects underlying tissue from infection, dehydration
subcutaneous layer underlying layer of the skin consisting mainly of fat tissue, nerves, blood vessels and lymph channels to provide a cushion for delicate organs
stratum germinativum deepest layer of the skin. Its main function is to help the skin regenerate
hair papilla hair growth begins
hair shaft the nongrowing portion of a hair that protrudes from the skin, from the follicle
hair follicle part of the skin that grows hair by packing old cells together
lanugo the fine hair on the body of a fetus and newborn
hair root below the surface of the skin
arrector pili is a muscle found near the hair follicles of all mammals that makes the hair stand on end
sebaceous glands produce oil called sebum that moves up hair follicles to the surface of the skin, where the oil lubricates skin and hair
eccrine glands are sweat glands that are not connected to hair follicles
endocrine glands secrete their products, hormones, directly into the blood rather than through a duct
apocrine glands large sweat gland that produces fluid located in hairy regions of the body
free nerve endings brings information from the body's periphery toward the brain
Pacinian corpuscle capable of detecting touch, pressure and vibration
Krause's end bulb thermoreceptors in the body that help the body detect cold temperatures
Meissner's corpuscle capable of detecting light touch
Rule of nines body is divided into 11 areas of 9% each, 1% located around genitals
first degree burn only the surface layers of the epidermis involved
second degree burn involves the deep epidermal layers
third degree burn (full thickness burn) complete destruction of the epidermis and dermis
keratin making up the outer layer of human skin
nail bed The formative layer of cells at the base of the fingernail or toenail
lunula crescent shape area near root of nail
cuticle outermost layer of the skin
Created by: 1178389236
 

 



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