Ch 3 The Integumentary System - Dermatology Flashcards
memorize terms (194 cards)
integumentary system
the skin
roots: (cutaneo/ dermo)
skin
The outermost layer the one that is visible and is made of large cells that look like scales.
Epidermis
largest organ of the body
skin
skin is affected by environmental variables such as:
- Chemicals
- Pathogens
- Radiation
- Temperature
Functions of the skin
- Barrier and Protection
- Vitamin D production
- Body temperature regulation
- Sensation
- Excretion (sweat)
Under the epidermis lies a deeper layer that is much thicker has fewer cells and more thick fibers to give the skin strength and flexibility.
- home to hair follicles, nerves, and glands
dermis
Skin has two types of glands, which are groups of cells that release fluid.
- sweat glands (hidro) release sweat to rid the body of waste and cool the body
-sebaceous glands (sebaceo) secrete oil as a natural moisturizer for the skin and hair.
The nerves of the dermis detect …
Fine pressure, deep pressure, temperature, and pain
- Skin is the largest sensory organ in your body.
The end of your fingers and toes are nails specialized tissue made of hard substance
Keratin
Nails functions
- protect fingers/ toes
- provide a good base for movement
adip/o, lip/o, steat/o
Fat
cutane/o, derm/o, dermat/o
skin
pil/o, trich/o
Hair
hidr/o
Sweat
onych/o, ungu/o
Nail
seb/o, sebace/o
Oil
crypt/o
hidden
kerat/o
hard, horny
xer/o
dry
leuk/o, alb/o
white
erythr/o
red
xanth/o
yellow
melan/o
black