Epidermis
top/first layer *stratified squamous mostly dead
Dermis
made of loose & dead tissue *hair follicles
Subcutaneous or Hypodermis
deep to the dermis made mostly of adipose tissue, anchors skin
Hair Shaft
hair that is visible
Stratum Corrneum
-Shingle-like dead cells -Found: everywhere; outer layer
Stratum Basale
(close to the dermis) -cells undergoing mitosis -lies next to the dermis think Italian food
Melanocytes
produced melanin pigment -mostly in the stratum basale -amount of melanin produced depends on genetic & exposure to sunlight
Sensory Nerve
in charge of pressure, vibrations, temperature on skin
Sweat Gland(apocrine)
& 13. ducts empty into hair follicles
Sebaceous Gland(sebum)
secretes oil(sebum) kills bacteria
Arrector Pili Muscle
contracts & makes hair stand up goosebumps, smooth muscle
Hair Follicle
where hair grows from
Sweat Gland(apocrine)
& 9. ducts empty into hair follicles
Sweat Gland(eccrine)
secretes waste out of a pore, cools body down
Hair Root
surrounded by the hair follicle
Adipose Tissue
fat insulation, energy, protection
Arteries and Veins
brings blood & oxygen to the skin
Studied by 100 People