Integumentary System

Question 1

Acts as a barrier to protect body from the outside world.

Answer 1

Integumentary system

Question 2

Other name for skin

Answer 2

Cutis

Question 3

The skin is composed of ___ % of BW

Answer 3

16%

Question 4

This is the most superficial layer of the skin, nonvascular, thickest region of this occurs on the nasal skin and digital pads.

Answer 4

Epidermis

Question 5

Lies under the epidermis, richly supplied with vessles, nerves and glands. Fiber types: Collagen, elastic, reticular
Critical role in temperature regulation.

Answer 5

Dermis

Question 6

Also called the subcutis, subcutaneous tissue, or superficial fascia which consists of
loose connective tissue. It is also where fat cells develop.

Answer 6

Hypodermis

Question 7

How many layers does the epidermis has?

Answer 7

5 layers

Question 8

the layer of cells adjacent to the upper portion of the dermis

Answer 8

Stratum basale

Question 9

prickle-cell layer next to stratum basale, diamond-shaped;
flattened polygonal cells

Answer 9

stratum spinosum

Question 10

granular layer

Answer 10

stratum granulosum

Question 11

clear layer

Answer 11

stratum lucidum

Question 12

horny layer

Answer 12

stratum corneum

Question 13

A band of smooth muscle attached surrounding tissue sheath of the hair follicle. Well developed in the dorsal region of the neck, back, tail. Responsible for erection of hair.

Answer 13

Arrector pili muscle

Question 14

Examples of this muscle are sphincter colli superficalis, platysma and spinchter colli profundus. When contracted tend to move the skin and it’s associated structures.

Answer 14

Cutaneous muscles

Question 15

These are the glands of canine skin

Answer 15

1. Sweat glands
2. Sebaceous glands
3. Glands of ear canal
4. Circumanal glands
5. Glands of the anal sac

Question 16

Sweat glands are composed of __________

Answer 16

Eccrine and apocrine

Question 17

found only in the foot pads. It has watery secretion.

Answer 17

Eccrine

Question 18

found mainly in association with hair follicle

Answer 18

apocrine

Question 19

This gland has oily secretion in association with hair follicle. Special ones are found in the eyelids, the meibomian or tarsal glands.

Answer 19

Sebaceous glands

Question 20

secretes a brown waxy material called cerumen

Answer 20

Glands of ear canal

Question 21

these glands are numerous in the vicinity of the anal orifice

Answer 21

circumanal glands

Question 22

are pairs sacs that lie in the 4 and 8 o’clock

Answer 22

glands of the anal sac

Question 23

Arterial supply of the skin

Answer 23

cutaneous arteries.

Question 24

are slender keratinous filaments that cover almost all parts of the body

Answer 24

Hairs

Question 25

Part of the hair which portion is above the surface of the skin

Answer 25

Shaft (scapus pili)

Question 26

the embedded portion in a tubular invagination of the epidermis called the hair follicle which extends down to the dermis

Answer 26

root (radix pili)

Question 27

is a modification of the epidermis as horny covering of the distal end of the third phalanges of the digits.

Answer 27

Claws (Unguicula)

Question 28

heavily pigmented and is the toughest region of the canine skin. The rough surface is due to the presence of heavily keratinized conical papillae. Sweat glands are found here

Answer 28

Digital Pads

Question 29

Arterial supply of Mammary glands

Answer 29

sternal branches of the internal thoracic arteries