Laboratory 11 : Integumentary System

Question 1

What does the integumentary system include?

Answer 1

Skin, hair, nails, and cutaneous glands.

Question 2

Skin, hair, nails, and cutaneous glands. These are apart of the _____ system.

Answer 2

Integumentary.

Question 3

What are the layers of the skin?

Answer 3

Epidermis, Dermis.

Question 4

What is the epidermis?

Answer 4

The superficial layer of the skin.

Question 5

The superficial layer of the skin is the ____?

Answer 5

Epidermis.

Question 6

What is the dermis?

Answer 6

Deep layer of the skin.

Question 7

The deep layer of the skin is the ____?

Answer 7

Dermis.

Question 8

What does the epidermis consist of?

Answer 8

Keratinized stratified squamous epithelium.

Question 9

The _____ is the layer of the skin consisting Keratinized stratified squamous epithelium.

Answer 9

Epidermis.

Question 10

What are the two layers of the dermis?

Answer 10

Papillary region, dense irregular.

Question 11

What does the dermis consist of?

Answer 11

The papillary region consisting of areolar connective tissue, and a thicker deeper area of dense irregular tissue.

Question 12

What is beneath the dermis?

Answer 12

Hypodermis. (Subcutaneous layer)

Question 13

What is the subcutaneous layer composed of?

Answer 13

Adipose connective tissue and some areolar connective tissue.

Question 14

Where does hair grow from?

Answer 14

Grows through a depression from the epidermis.

Question 15

What does the hair posess at the base?

Answer 15

Papilla.

Question 16

What is the papilla?

Answer 16

Contains a network of capillaries that suppy the nutrients for the cell division required for hair growth.

Question 17

What is the arrector pilli muscle?

Answer 17

Attached to the folicle, has the ability to make hair standu up.

Question 18

Attached to the folicle, has the ability to make hair standu up. This is called the ____

Answer 18

Arrector pilli muscle

Question 19

What does a sebacous gland do?

Answer 19

Secretes oily sebum into hair folicles, which keeps the hair and epidermal surface pliable and somewhat water proof.

Question 20

Where are the sweat glands?

Answer 20

Are distributed over most regions of the body and consist of two types of glands.

Question 21

What are the two types of sweat glands?

Answer 21

Meocrine, apocrine.

Question 22

Where are the meocrine glands?

Answer 22

on the palms, soles of feet, foreheads.

Question 23

What do meocrine glands do?

Answer 23

Their secretions occur during hot days, workouts, stress. They help to prevent us from overheating.

Question 24

Their secretions occur during hot days, workouts, stress. They help to prevent us from overheating. What are the glands being described?

Answer 24

Meocrine.

Question 25

Where are the apocrine sweat glands?

Answer 25

Most abundant in the axillary and genital regions.

Question 26

What do the apocrine glands do?

Answer 26

Sweat ducts open into the hair follicles and become active at puberty. Secretions increase during stress and pain.

Question 27

Sweat ducts open into the hair follicles and become active at puberty. Secretions increase during stress and pain. What are the glands being described?

Answer 27

Apocrine.

Question 28

When do apocrine gland become active?

Answer 28

Puberty.

Question 29

What are the modified sweat glands of the integumentary system?

Answer 29

Cerminous glands of the external auditory canal and mammary glands of the breasts.

Question 30

Where is the stratum corneum?

Answer 30

Most superficial layer of skin.

Question 31

Describe stratum corneum?

Answer 31

Many layers of keratinized dead epithelial cells, appear scaly and flattened resists water loss, absorption and abrasion.

Question 32

Where is the stratum lucidum?

Answer 32

Between stratum corneum and stratum granulosum on soles and palms of thick skin.

Question 33

Describe stratum lucidum?

Answer 33

Cells appear clear, nuclei, organelles and plasma membrane are no longer visible.

Question 34

Where is the stratum granulosum?

Answer 34

Beneath the stratum corenum or beneath the stratum lucidum of thick skin.

Question 35

Where is the stratum spinosum?

Answer 35

Beneath the stratum granulosum?

Question 36

Where is the stratum basale?

Answer 36

Deepest layer.

Question 37

What does the numeric CLGSB stand for?

Answer 37

``` CICI LIKES GIRLS SO BITCHY Corneum Lucidum Granulosum Spinosum Basale ```

Question 38

What is a melanocyte?

Answer 38

Produces the color in our skin protects against UV rays.