The Integumentary System. The Integumentary System. Integument is skin Skin and its appendages make up the integumentary system A fatty layer (hypodermis) lies deep to it Two distinct regions Epidermis Dermis. Functions of skin. Protection Cushions and insulates and is waterproof
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(see figure on next slide)
Epidermis and dermis of (a) thick skin and (b) thin skin
(which one makes the difference?)
“fascia” (Latin) =band; in anatomy: sheet of connective tissue
*“arrector pili” is smooth muscle
Hair bulb: epithelial cells surrounding papilla
is connective tissue________________
Dissecting the Fetal Pig
the regular trash. Skin and pieces
of pig go into the separate plastic
bag at the front of the room
(NOT down the sink).