Integumentary System

Question 1

Skin, Hair, Nails, and Exocrine glands

Answer 1

Integumentary System Main Organs

Question 2

Defense or immunity against harmful influences

Answer 2

Protection

Question 3

Relating to sensation or the physical senses; transmitted or perceived by the senses

Answer 3

Sensory

Question 4

Ability of an organism to keep its body temperature within certain boundaries

Answer 4

Thermoregulation

Question 5

Epidermal layer of human skin synthesizes vitamin D when exposed to UV radiation

Answer 5

Vitamin D Synthesis

Question 6

The thin layer of tissue forming the natural outer covering of the body of a person or animal

Answer 6

Skin

Question 7

The surface epithelium of the skin, overlying the dermis

Answer 7

Epidermis

Question 8

The inner layer of the two main layers of the skin

Answer 8

Dermis

Question 9

The tissue immediately beneath the epidermis of a plant especially when modified to serve as a supporting and protecting layer

Answer 9

Hypodermis

Question 10

A fibrous protein forming the main structural constituent of hair, feathers, hoofs, claws, horns, etc

Answer 10

Keratin

Question 11

An epidermal cell which produces keratin

Answer 11

Keratinocyte

Question 12

The basal layer of the epidermis consisting of a single row of columnar or cuboidal epithelial cells that continually divide and replace the rest of the epidermis as it wears away

Answer 12

Stratum basale

Question 13

The layers of prickle cells over the layer of the stratum basale capable of undergoing mitosis

Answer 13

Stratum spinosum

Question 14

A layer of granular nondividing cells lying immediately above the stratum basale in most parts of the epidermis

Answer 14

Stratum granulosum

Question 15

A thin somewhat translucent layer of cells lying superficial to the stratum granulosum

Answer 15

Stratum lucidum

Question 16

The stratum corneum refers to the outermost layer of the epidermis, which is itself the outer layer of the skin

Answer 16

Stratum corneum

Question 17

Superficial is a directional term that indicates one structure is located more externally than another, or closer to the surface of the body

Answer 17

From superficial to deep (List the 5 layers of epidermis)

Question 18

Thick skin is thicker due to it containing an extra layer in the epidermis

Answer 18

Thick Skin

Question 19

Thin skin is the type that is found covering most parts of the body excluding certain parts of the hands and feet

Answer 19

Thin Skin

Question 20

Hair, in mammals, the characteristic threadlike outgrowths of the outer layer of the skin (epidermis) that form an animal’s coat, or pelage

Answer 20

Hair

Question 21

A shaft or opening on the surface of the skin through which hair grows

Answer 21

Hair Follicle

Question 22

The part of a hair projecting beyond the surface of the skin

Answer 22

Hair Shaft

Question 23

The part of a hair that is embedded in the hair follicle, its lower succulent extremity capping the dermal papilla pili in the deep bulbous portion of the follicle

Answer 23

Hair Root

Question 24

The free edge of the nail is the white portion of the nail that grows out from the finger or toe and consists dead cells and keratin

Answer 24

Free Edge (nail)

Question 25

Is the visible portion of the distal nail matrix that extends beyond the proximal nailfold

Answer 25

Lunula

Question 26

The thickened layer of skin at the base of the fingernails and toenails

Answer 26

Eponychium (cuticle)

Question 27

The root of the nail is also known as the germinal matrix

Answer 27

Nail Root

Question 28

A tiny opening, especially opening in the skin through which sweat or sebaceous secretion (SEBUM) pass to the surface

Answer 28

Pores

Question 29

A type of gland that is found in the skin, breast, eyelid, and ear

Answer 29

Apocrine Sweat Glands

Question 30

A type of simple sweat gland that is found in almost all regions of the skin

Answer 30

Eccrine Sweat Glands