skin, hair equine hoof

Question 1

what is the outer covering of an animal called?

Answer 1

integuement

Question 2

the skin is divided into 2 sections, what are they?

Answer 2

epidermis

dermis

Question 3

name the 5 sections the dermis is split into?

Answer 3

Stratum corneum
 	Stratum lucidum
 	Stratum granulosum
 	Stratum spinosum
 	Stratum basale

Question 4

the outer most layer of the dermis is made up of?

Answer 4

dead cells called corneocytes. corneocytes are full of keratin

Question 5

in which layer of the dermis does mitosis take place?

Answer 5

stratum basale

Question 6

what type of tissue is the dermis made from?

Answer 6

fibrous, dense connective tissue

Question 7

hair growth can be divided into 3 sections. what are they?

Answer 7

anagen - rapid growth
catagen- transitional growth phase
telogen- resting phase

Question 8

hair growth can be affected by?

Answer 8

Season (dogs and cats shed in spring and autumn though central heating can alter this)
Breed (determines the length of the hair)
Sex
Temperature
Nutrition
Genetics
Hormones (e.g. thyroxine, cortisol)

Question 9

what is a tylotrich hair?

Answer 9

Strong and thick hairs dispersed throughout the coat and act as fast acting mechanorecpetors

Question 10

what do peri-anal glands produce?

Answer 10

pheromones

Question 11

a horses hoof is coated in a rubbery layer called?

Answer 11

periople

Question 12

what is chorium?

Answer 12

skin or dermis layer on the horse hoof