University:
University of Maryland Baltimore County
Course:
EHS 115 | Medical Terminology
Academic year:

2021
Views:

159

Pages:

11
Author:

5prinzg1s

© Cengage Learning Epidermis • (epi-: above or upon; derm: skin; is: noun ending) • Outermost layer of skin • Made of specialized epithelial tissues • Contains no blood vessels or connective tissue • Depends on the lower layers for nourishment • Dermis • Directly below epidermis • Contains connective tissue, blood and lymph vessels, • nerve fibers, hair follicles, sebaceous glands, and sweat glands • Sensory nerve endings • Sensory receptors for touch, temperature, pain, and pressure Subcutaneous Layer • Located below the layers of skin • Connects skin to the surface muscles • Made of loose connective tissue and adipose tissue • Lipocytes manufacture and store large quantities of fat •(lip/o: fat; -cytes: cells) • Subcutaneous • (cutane: skin; -ous: pertaining to) Sebaceous Glands • Primary Function – Secrete sebum (oil) to lubricate the skin – Discourage the growth of bacteria on the skin • Related Word Parts (Combining Forms) – seb/o Sweat Glands • Structure • Sudoriferous glands: tiny, coiled glands • Apocrine glands are found at hair follicles • Eccrine glands open onto the skin • Primary Function – Secrete sweat to regulate body temperature and water content – Excrete some metabolic waste Sweat Glands o Anhidrosis • Condition of lacking sweat in response to heat o(an-: without; hidr: sweat; -osis: abnormal condition) o Diaphoresis • Profuse sweating o(dia-: through or complete; phor: movement; esis: abnormal condition) o Heat rash • Itchy rash related to the blockage of sweat glands by bacteria and dead cells Sweat Glands oHyperhidrosis • Excessive sweating in one area or over the whole body o(hyper-: excessive; hidr: sweat; -osis: abnormal condition) Sleep hyperhidrosis night sweats during sleep