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Integumentary System

Stack #1

protective covering and first line of defense integumentary system
makes new skin cells to replace old germinativum
another name for germinativum stratum basale
tough, leather fibrous connective tissue; only part vascularized dermis
dermis corium
superficial fascia; mostly fat (insulate and absorb shock); anchors skin to underlying structures subcutaneous
subcutaneous hypodermis
barrier to sun's uv rays, invasion of pathogens, holds moisture in and prevents deeper tissue dryness protection
responds to pain, pressure, temp (hot/cold), and touch sensory perception
blood vessels help retain or lose heat body temperature regulation
excess heat escapes through skin dilate
heat is retained in body constrict
help cool body through evaporation of perspiration sudoriferous
stores fat, glucose, water, vitamins, and salts tissue
tissue in subcutaneous fascia is source of energy adipose
medications absorbed through the skin transdermal medications
skin helps body eliminate salt, waste, and excess water and heat with perspiration excretion
your skin produces this by using UV rays, and it matures in the liver Vitamin D
white portion of nail bed lunula
nails are these types of cells keratinized
hair is made of this keratin
permanent hair loss alopecia
hair grows from this hollow tube follicle
the part of the hair that projects from the skin shaft
embedded into the skin; shape determines whether hair is straight or curly root
depends on melanocytes located in the follicle pigment
this pigment is brown/black melanosis
this pigment is red/yellow caroterene
sweat glands sudoriferous
purpose of sweat glands secretion
substance produced in epidermis by melanocytes melanin
absence of color pigments albino
abnormal colors of the skin may indicate this disease
reddish color; caused by burns or congestion of blood vessels erythema
yellow discoloration; caused by bile in blood as a result of liver of gallbladder ds jaundice
bluish skin; caused by insufficient oxygen; includes heart, lung, circulatory ds/disorders cyanosis
flat spots aka freckles macules
firm raised = pimples papules
blisters aka fluid filled = chicken pox vesicles
pusfilled aka acne pustules
dried pus/blood crust
itchy, elevated with erregular shapes aka insect bites/hives wheals
deep loss of skin surface ulcer
inflammation of sebaceous glands acne
contagious fungal condition, tx = antifungals athlete's foot
basal cell carcinoma skin cancer
most dangerous skin cancer, lesions are brown, pink, black, multicolored melanoma
Created by: jnguyen12