Skin, Hair and Associated Glands

Question 1

Functions Of Skin?

Answer 1

Protection
Immunity
Sensory
Secretion
Production
Storage
Thermoregulation
Communication

Question 2

pH of dog and cats skin

Answer 2

Canine pH- 7.4
feline pH- 6.4

Question 3

Vitamin D helps to absorb what mineral? and in what organ?

Answer 3

Calcium Ca+
absorbed in the instestines

Question 4

Structure Of Skin
Made up of what 3 layers

Answer 4

• Epidermis
• Dermis
• Hypodermis/subcutaneous

Question 5

Thickness of skin in a dog

Answer 5

• Dogs 0.5 – 5 mm

Question 6

Thickness of skin in a cat

Answer 6

• Cats 0.4 – 2 mm

Question 7

Is the Epidermis avascular?

Answer 7

Yes

Question 8

What type of tissue is the epidermis layer?

Answer 8

Stratified squamous epithelial tissue

Question 9

How many cells thick is the stratified squamous epithelial tissue in the epidermis?

Answer 9

• 4-5 cells thick

Question 10

Layers of the epidermis?
From least superficial

Answer 10

• Stratum basale/germinativum layer.
  -Stratum spinosum
  -Stratum granulosum
• Stratum lucidum
• Stratum corneum

Question 11

How long does it take for cells to migrate from stratum Basale > stratum granulosum

Answer 11

Approx 22 days

Question 12

Dermis contains?

Answer 12

• Blood vessels
• Lymph vessels
• Nerves
• Glands
• Hair follicles

Question 13

Dermis tissue type?

Answer 13

Dense connective tissue

Question 14

What is the tissue is the Hypodermis/Subcuticular Layer of skin?

Answer 14

Loose connective tissue
Fat cells
Elastic fibres

Question 15

The mechanoreceptors ‘Pacinian Corpuscles’ found in the skin detects?

Answer 15

pressure and vibration.

Question 16

The mechanoreceptors ‘Ruffini Corpuscles’ found in the skin has what function?

Answer 16

velocity of skin movement/touch

Question 17

Merkel cells?

Answer 17

Sense steady pressure and tactile stimuli
skin stretch

Question 18

High threshold mechanoreceptors

Answer 18

respond to painful stimuli

Question 19

Type of tissue footpads are made up of?

Answer 19

Stratum corneum is thickened,
heavily keratinised

Answer 20

Coronary
border

Question 21

List the different Sebaceous glands

Answer 21

• Tail glands
• Circumanal
• Anal sac
• Circumoral
• Ceruminous
• Meibomian

Question 22

Whats an example of a Sudoriferous gland

Answer 22

mammary gland

Question 23

what does Alveolar glands
secrete.

Answer 23

Secrete a waxy/oily Sebum
* Antiseptic properties
* Contains pheromones

Question 24

Where are Supracaudal Glands found

Answer 24

Dorsal aspect of tail

Question 25

Anal Sac Glands location

Answer 25

8 and 4 O'clock

Question 26

Perioral Glands location

Answer 26

Lips of cats

Question 27

What does Ceruminous Glands secrete

Answer 27

Ear wax

Question 28

what are Meibomian / Tarsal Glands?

Answer 28

Open at mucocutaneous junction of eyelids Secrete tears.

Question 29

What are Sudoriferous Glands

Answer 29

Sweat glands * found in foot pads & nose *

Question 30

what shape are Sudoriferous Glands

Answer 30

Coiled

Question 31

What type of gland is the mammary glands

Answer 31

Highly modified sudoriferous/sweat gland

Question 32

How many pairs of mammary glands does a cat have

Answer 32

4 pairs

Question 33

How many pairs of mammary glands does a dog have

Answer 33

5 pairs

Question 34

3 types of hairs

Answer 34

Guard / primary Wool / secondary Vibrissae / tactile

Question 35

What are Lanugo hairs

Answer 35

Wool hairs

Question 36

Where are Vibrissae / Tactile Hairs found?

Answer 36

Upper lip eyelashes Eyebrows Cheeks and chin Carpus of the cat