Human Body Final Study Guide
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an eating or gnawing away of tissue
crack-like sore or slit that extends through the epidermis into the dermis
small fluid filled sac; blister
solid circumscribed elevated area on the skin
discolored spot ono the skin
larger papule; acne vulgaris
yellowing of the skin
What is another name for a bedsore?
recurrent inflammation of kin causing characteristic lesions (plaques covered with silvery scales)
common contagious bacterial skin infection accompanied by vesicular or pustule lesions that rupture and form thick yellow crusts
viral infection along course of nerve that causes painful rash
What are the functions of the skin?
- protective covering of the body
- most exposed system
- system reflects its own health and health of other systems
- easy to assess
secrete sebum into hair follicles lubricate skin and hair
- secrete sweat through pores onto skin's surface
- eccrine: widespread
- apocrine: axilla and genitals
scalp; round, grey, scaly, lesions, pruritus, hair loss
body (ringworm); round, ringed lesions
nails; hypertrophic, thick, brittle nails
feet (athlete foot); raised, red, vesicular patches, pruritus
groin (jock itch); raised, red, vesicular patches, pruritus; common in men during summer
How is the percentage of body tissues burned estimated?
Rule of nines
Central Nervous System
central location; brain and spinal cord
Peripheral Nervous System
- peripheral location
- 12 pairs of cranial nerves (cranium); carry impulses to and from brain
- 31 pairs of spinal nerves; to and from spinal cord
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