Week 3 Inegument

Question 1

Skin is only composed of

Answer 1

epidermis - outermost layer epithelial tissue
Dermis- sebacuois glands, hair follicles, nerves, arteries, veins, sweat glands

Question 2

Sebaceous glands

Answer 2

secretes oil and are associated with hair follicles

Question 3

suderiforous glands

Answer 3

secrete sweat, odor from sweat, open directly to surface of skin

Question 4

arrector pili muscles

Answer 4

attach to each and every hair of skin

Question 5

arrector pili muscle function

Answer 5

create goodbumps to trap air around us to warm or make look bigger to animal

Question 6

vasculature lies in the

Answer 6

dermis which bring in nutrition and takes out waste

Question 7

hypodermis

Answer 7

not part of skin, contains fat

Question 8

Karotinizatoin

Answer 8

Cuboidal cells at basil layer divide frequently and get pushed up to surface. It has two weeks to live here and during this time in synthesizes to keratin which is major protein in skin hair and nails. once cells pushed upward cell gradually dies, cell becomes dead bag of protein keratin, cells are firmly anchored to each other and stay on the epidermis for additional 2 weeks so outer most later of skin is dead interlocked layers known as keratinicites