Chapter 8 Terminology

Question 1

Integumentary system

Answer 1

The skin and its layers

Question 2

Dermatology

Answer 2

The study of the skin, it’s structure, functions, diseases and treatment

Question 3

Keratin

Answer 3

The primary component of the skin cells; which contains several chemical elements such as carbon, oxygen, hydrogen,nitrogen, and sulfur.

Question 4

Stratum corneum

Answer 4

The toughest layer of the epidermis; hardened, “ cornified”, “horny” cells

Question 5

Stratum lucidum

Answer 5

The layer of the epidermis just below the stratum corneum; it is the palms of the hands and the soles of the feet, where there are no hair follicles

Question 6

Histology

Answer 6

microscopic study of the skins tissue.

Question 7

Stratum granulosum

Answer 7

The layer of the epidermis below the stratum lucidum and above the the stratum spinosum; in this layer the cells become more regularly shaped and look like many tiny granules

Question 8

Stratum spinosum

Answer 8

The layer of the epidermis just above the stratum germinativum; sometimes considered part of the stratum germinativum; includes cells that have absorbed melanin to distribute pigmentation to other cells

Question 9

Stratum germinativum

Answer 9

The lowest layer of the epidermis where mitosis or cell division takes place; begins with the stratum basale, or basale cell layer, which is a single layer thick

Question 10

Dermis

Answer 10

Is the “true skin”. This layer functions as the skins main support structure, since it is comprised of many connective tissues & is rich in capillaries & blood vessels.

Question 11

Whorls

Answer 11

Strong circular directional growth of hair on either side of the nape or crown

Question 12

Mast cells

Answer 12

Located in the dermis. These cells respond to allergies by releasing small granules alled tistarnies

Question 13

Langerhan cells

Answer 13

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Question 14

Eccrine glands

Answer 14

Sweat glands located throughout the entire body & are most abundant on forehead, the palms of the hands & soles of the feet.

Question 15

Aprocrine glands

Answer 15

sweat glands under the arm, in the genitals & the nipples.

Question 16

Intercellur cement

Answer 16

Substance that binds, adds structure strength & medicates biochemical interactions between cells, such as lipids or fatty acids.

Question 17

Squamous

Answer 17

Within this layer protect the layers below the stratum corneum.

Question 18

Epithelial

Answer 18

cover and protect the inside of the body

Question 19

Furuncle

Answer 19

(Boil) Is a painful infection of a hair follicle & adjacent subcutaneous tissue that appears as a firm nodule w/ a center hard pus-filled core (one hair follicle).

Question 20

Verruca

Answer 20

Foot wart

Question 21

Open comedo

Answer 21

Is plugged sebaceous gland with an opening that is not wildly dilated.

Question 22

Milia

Answer 22

Pearly white enclosed cysts

Question 23

Malaria rubria

Answer 23

Acute burning, itching rash, caused by excessive heat.

Question 24

Leukoderma

Answer 24

Is a congenital disorder that occurs when the skin lacks pigmentation (hydro-pigmentation) due to decrease in melanoma activity

Question 25

Nevus

Answer 25

Birth mark or a congenital mole, caused by dilation of a small blood vessels & usually does not disappear.

Question 26

Lentigo

Answer 26

(Freckle) Small yellowish or brownish spot on the skin, particular on the face, hands, neck.

Question 27

Keratosis

Answer 27

The build up of skin cells on the epidermis

Question 28

Seasonal disease

Answer 28

A skin condition or disorder inflected by the weather or seasonal change.

Question 29

Rosasea

Answer 29

A chronic inflammatory condition of the face in which the small capillaries of the face become dilated & inflamed.

Question 30

Closed comedo

Answer 30

Open follicle with a black surface plug, which has been oxidized & discolored due to the serums contact w/ air.

Question 31

Functions of the skin

Answer 31

- Protection - Absorption - Sertion - Excretion - Regulation - sensation.

Question 32

Layers of the skin

Answer 32

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Question 33

Papillary dermis

Answer 33

Layer lies directly beneath the epidermis. It is rich in blood vessels and capillaries, which provide nutrients to the upper layer.

Question 34

Reticular dermis

Answer 34

The lowest layer of the dermis is in direct contact w/ the next layer of skin. Contain fewer blood vessels.

Question 35

Subcutaneous layer

Answer 35

located below the dermis and is composed primarily of adipose (fatty) tissue.

Question 36

Dermatitis

Answer 36

An inflammatory disorder of the skin.

Question 37

Extrinsic vs intrinsic aging

Answer 37

E: (skin determination) caused by external factors that are within an individuals control, such as sun exposure, smoking, & alchol.

Question 38

Fitzpatrick scale

Answer 38

Shows how different skin types react to uv.