10.1 Skin

Question 1

Layers of skin

Answer 1

Epidermis
Dermis (papillary and reticular)
Hypodermis

Question 2

Thick skin

Answer 2

Found on palms and bottom of foot
Contains no hair follicles
5 layers

Question 3

Thin skin

Answer 3

Found almost everywhere
Has hair

Question 4

Function of epidermis

Answer 4

Protection defense

Question 5

Function of papillary layer of dermis

Answer 5

Helps form friction ridges
Increases surface area blood supply to epidermis
Supplies blood a vascular to epidermis

Question 6

Function of reticular layer of dermis of skin

Answer 6

Provides strength and elasticity

Question 7

Hypodermis layer of the skin

Answer 7

Contains adipocytes that store fat (energy)
Acts as insulation
Often thicker in places that come in to contact with things more frequently to act as a shock absorber

Question 8

Epidermis layers in thick skin order top to bottom

Answer 8

Stratum Corneum
Stratum lucidum (unique to thick skin(
Stratum granulosum
Stratum spinosum
Stratum Basale

Question 9

Tactile meissner corpuscles

Answer 9

Found just below epidermis
Senses light pressure and low frequency vibration

Question 10

Lamellar Pacinian corpuscle

Answer 10

Found deeper in dermis and also Hypodermis
Senses deep pressure stretc and high frequency vibration

Question 11

Tactile epithelial Merkel cells

Answer 11

Senses light pressure

Question 12

Red pulp of spleen

Answer 12

Has lots of red blood cells
Filters or removes aged or defactive RBCs
Highly vascularised with leaky capillaries and venous sinuses
About 75% of splenic volume