Integument System

Question 0

What does the integumentary system do?

Answer 0

Protects, prevents drying, maintains temperature, stores nutrients, excretes water and salt

Question 1

What is the integumentary system?

Answer 1

Skin

Question 2

What is melanin?

Answer 2

The pigment color in your skin

Question 3

Where is the epidermis?

Answer 3

Outer layer of skin that is shed and replaces every three weeks

Question 4

What are Merkel cells?

Answer 4

Deepest layer of the epidermis responsible for touch

Question 5

How does the under layer, the dermis, help the superficial epidermis layer?

Answer 5

Supply blood and nerves- epidermis does not have blood causing superficial paper cuts to not bleed

Question 6

What is the stratum cornuem layer filled with?

Answer 6

Nuclear lacking Cells completely filled with keratin and are all dead on the top layer of the epidermis

Question 7

What are the three layers of the skin?

Answer 7

Epidermis, dermis, hypodermis

Question 8

What is the purpose of hair?

Answer 8

Camouflage and maintain temperature

Question 9

Three layers of hair

Answer 9

Cuticle, cortex, medulla

Question 10

Does melanin production increase or decrease with age?

Answer 10

Decrease. Turns gray, then when the medulla is completely empty, it turns white

Question 11

Three types of hair?

Answer 11

Primary hairs (long hairs), secondary hair (wooly, thick hair), tactile hairs (sinus hairs, whiskers)

Question 12

Orders of skin layers from superficial to deep.

Answer 12

Stratum cornuem (dead cells), stratum granulosum, stratum spinosum, stratum basale

Question 13

What additional layer of skin does thick skin have?

Answer 13

Stratum lucidum

Question 14

What is the layer stratum lucidium come from?

Answer 14

Thick skin on hands and feet from callouses

Question 15

What is the subcutaneous/hypodermis layer mostly made out of?

Answer 15

Fat

Question 16

Which part of the hair is visible above skin?

Answer 16

Hair shaft

Question 17

What is the deepest part of a hair?

Answer 17

Hair bulb

Question 18

What is the muscle called that is attached next to every hair?

Answer 18

Arrector pilli muscle

Question 19

What causes pigmentation of integumentary parts?

Answer 19

Melanin

Question 20

Strongest area of skin on patients that consists of five layers of epidermis?

Answer 20

Paw pads

Question 21

What are ergots and chestnuts?

Answer 21

Dark, hornlike structures on legs of equine species (remnants of foot pads)

Question 22

What is the difference between chestnuts and ergots?

Answer 22

Ergots are smaller and are located in between ankles and chestnuts are in between knees

Question 23

Where are the sebaceous oil glands located?

Answer 23

Cutaneous pouches in sheep

Question 24

What is the planum nasale?

Answer 24

Nose

Question 25

What happens in the stratum basale layers?

Answer 25

Making of daughter cells

Question 26

As you move to More superficial layers, what cell part lessens?

Answer 26

Nucleus

Question 27

Why does the nucleus disappear?

Answer 27

The cells fill with keratin and squish out the nucleus and become dead cells

Question 28

What are animals with hooves called?

Answer 28

Ungulates

Question 29

The _______ crest is where the growth of claws is

Answer 29

Ungual

Question 30

What is the difference between horns and antlers?

Answer 30

Antlers occur only in males and are able to be shed, horns are non-sex specific and are permanent, cornified epidermis tissue

Question 31

What is in the dermis layer that is not in the epidermis layer?

Answer 31

Nerves, blood vessels

Question 32

What do cows have in their noses that dogs do not?

Answer 32

Glands

Question 33

What causes shedding?

Answer 33

Environmental factors (spring and fall), hormonal changes, individual variation

Question 34

Where do eccrine sweat glands excrete?

Answer 34

To skins surface

Question 35

Where do apocrine sweat glands excrete?

Answer 35

Into hair follicles and then to the surface (apes are hairy)

Question 36

What is the purpose of anal glands?

Answer 36

Marking, fear effect, struggle effect

Question 37

Signs of ill skin

Answer 37

Discoloration, rash, flaking, redness (erythmia), Alopecia (hair loss), swelling

Question 38

What is laminitis?

Answer 38

Swelling of the inner foot causing pressure and separation of the hoof from the foot

Question 39

What is keratinization?

Answer 39

The cell expires, loosing its nucleus and organelles

Question 40

How often is the epidermis layer shed?

Answer 40

Three weeks

Question 41

What are langerhans cells?

Answer 41

Macrophages

Question 42

The mound of dermal cells found at the end of the hair bulb?

Answer 42

Papilla

Question 43

Layers of a hair from superficial to deep?

Answer 43

Cuticle, cortex, medulla

Question 44

A small, discolored area, like a freckle

Answer 44

Macule

Question 45

A small, slightly elevated mole

Answer 45

Papule

Question 46

General skin mark that General swelling

Answer 46

Nodule

Question 47

A small blister containing fluid

Answer 47

Vesicle

Question 48

A pimple that is pus filled

Answer 48

Pustule

Question 49

A black head

Answer 49

Comedone

Question 50

Laceration that goes through all three layers of skin

Answer 50

Fissure

Question 51

Depression in the skin that is caused from dying cells

Answer 51

Ulcer

Question 52

General term for inflammation of the skin

Answer 52

Dermatitis

Question 53

What is barbering?

Answer 53

Cats licking excessively that causes bald spots

Question 54

What is acute moist dermatitis?

Answer 54

Hot spot

Question 55

Accumulation of cornified cells

Answer 55

Scales