Entire Integumentary system :-)

Question 1

Stratum corneum

Answer 1

Dead & keratinized. Water resistant

Question 2

Stratum lucidum

Answer 2

densely packed keratinized. Protection (finger print, sole of foot)

Question 3

Stratum granulosum

Answer 3

begin to degenerate. Lipid layer that blocks passage of water and prevents dehydration

Question 4

stratum spinosum

Answer 4

living. Absorbs vitamin D. Dentritic cells which defend against pathogens

Question 5

Stratum basale

Answer 5

attachment to basement membrane. Produce new cells. Merkel cells: Touch receptors. Melanocytes: produce melanin pigment

Question 6

Papillary layer

Answer 6

top 20%. Areolar, capillaries. Meisners for touch. Dermal papillae surface area with epidermis.

Question 7

reticular layer

Answer 7

bottom 80%. Dense irregular. Accessory organs. Anchors to hypodermis. Blood vessels. Nerve fibers & lamellated corpuscle for deep pressure.

Question 8

Hypodermis

Answer 8

Areolar tissue, adipose. Veins and arteries. Subcutaneous injection.

Question 9

Sebaceous oil

Answer 9

holocrine secretion

Question 10

arrector pilli muscle

Answer 10

contracts and erects hair. Squeezes waxy oil onto follicle

Question 11

Merocrine sweat glands

Answer 11

regular sweat

Question 12

apocrine

Answer 12

pleasure. milky sweat (still actually merocrine section: which is exocytosis)