Exam #2: Chp. 5-8 Flashcards
Dermatology
Concerned with the diagnosis and treatment of the integumentary system, which comprises the skin and accessory organs
Dermatologists treat….
-tumors
-damage
-infections
-and inflammations of the skin
Plastic surgeons
Perform both reconstructive and cosmetic procedures involving the skin
The integumentaty system includes:
-the skin
-hair
-nails
What is the largest organ in the body?
The skin (integument)
What does the skin do?
-protection
-temperature regulation
-sensation
-waste disposal
Functions: protection
-the skin is a two way barrier keeping pathogens out and vital substances in
Temp. Regulation
-evaporation of sweat and blood vessel dilation cools the body
-blood vessel constriction keeps the body warm
-fatty subcutaneous layer serves as insulation
Sensation
-contains sensory receptors that send info. About touch, pressure, temperature, and pain to the brain
Waste disposal
Small amounts (ex. Excess salt) are excreted in sweat
Aden/o
Gland
Adip/o, lip/o
Fat
Skin
Cutane/o
Derm/o
Dermat/o
Hidr/o
Sweat
Kerat/o
Keratin, hard, hornlike
Melan/o
Melanin, black
Nail
Onych/o
Ungu/o
Py/o
Pus
Seb/o
Sebum, oil
Trich/o
Hair
Bi/o
Life
Carcin/o
Cancer
Chem/o
Chemical
Cry/o
Cold