Skin Practice Test Definitions

Question 1

A cell located within the lower epidermis that processes tyrosinase and melanin.

Answer 1

Melanocyte

Question 2

A pigment stimulated by sunlight and present in the skin, hair and choroid of the eye

Answer 2

Melanin

Question 3

The soft skin on the antlers of deer that provides a vascular source necessary during the early seasonal growth of the antler.

Answer 3

velvet

Question 4

A fold of loose skin hanging from the neck or throat of an animal, especially that present in many cattle.

Answer 4

Dewlap

Question 5

The deep layer, connective tissue portion of the skin that contains blood vessels, glands and hair follicles.

Answer 5

Dermis

Question 6

Cells located in small numbers within the epidermal-dermal junction and whose function is to aid in tactile sensory perception.

Answer 6

Merkel’s cells

Question 7

A tough, waterproof protein that makes up scales,the outer sheaths of beaks and claws, and feathers; a major component of the epidermis, nails, hair, horns, and hooves.

Answer 7

Keratin

Question 8

Glands that release their secretions through ducts.

Answer 8

Exocrine

Question 9

Tactile nerve endings located within the subcutaneous tissue of the skin that can sense deep heavy pressure, as well as stretch.

Answer 9

Pacinian corpuscle

Question 10

The dermis of the skin

Answer 10

Corium

Question 11

Simple holocrine gland that secretes an oily substance through the hair follicle.

Answer 11

Sebaceous gland

Question 12

The outer covering of the body, consisting of the skin and all of its related components, such as nails, hair, hooves and horns.

Answer 12

Integument

Question 13

The keratinized visible portion of hair that extends above the surface of the epithelium.

Answer 13

Shaft

Question 14

Gland is thought to assist animals in identifying one another.

Answer 14

Tail

Question 15

Perianal sacs, containing apocreine and sebaceous glands, located at 5 o’clock and 7 o’clock positions relative to the anus.

Answer 15

Anal sacs

Question 16

The interdigitations between the corium and hoof that serve as the attachment sites between the hoof the coffin bone.

Answer 16

Laminae

Question 17

Composed of keratinized stratified squamous epithelium, it is the outermost layer of the skin.

Answer 17

epidermis

Question 18

Found on bighorn sheep, bison, and many other bovine, are two-part structures. An interior of bone (also an extension of the skull) is covered by an exterior sheath grown by specialized hair follicles, as are your fingernails. With most animals they never shed and continue to grow throughout the animals life.

Answer 18

Horns

Question 19

Infloldings of the skin found in sheep. They are located in front of the eyes, between the digits above the hooves, and in the groin.

Answer 19

Cutaneous pouches

Question 20

Inflammation of the dermis and epidermis caused by tiny mites.

Answer 20

Mange

Question 21

Animals that shed their horns seasonally include:

Answer 21

Pronghorn antelope

Question 22

are found on the heads of male members of the deer family (with the exception of the reindeer, where the females also sport the pointy headgear). They’re made of bone and sprout from the pedicle, a bony platform-type of growth located just above the animal’s skull.

Answer 22

Antlers

Question 23

the insensitive protective under-surface of the horse’s foot in which are the highly vascular and sensitive tissues (laminae) that connect the hoof to the pedal bone.

Answer 23

Sole

Question 24

Claws and tails are attached to

Answer 24

Third phalanx

Question 25

Exocrine glands that secrete substances into the hair follicle, rather than directly to the skin surface

Answer 25

Apocrine sweat glands