Exam 2 Slide Show Integumentary (pt5) Flashcards Preview

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Flashcards in Exam 2 Slide Show Integumentary (pt5) Deck (25):
1

What type of glands are aprocrine sweat glands?

Merorcrine glands

2

Both eccrine and apocrine sweat glands contain which cells?

Myoepithelial cells

3

In what condition do keratinocytes divide and move more quickly than normal from the stratum basale to the stratum corneum, and shed prematurely?

Psoriasis

4

Which sweat gland is smaller and excretes directly onto the surface of the skin?

Eccrine sweat glands

5

Virtually all skin cancers are attributed to what?

Excessive exposure to the sun

6

What are the three common forms of skin cancer?

Basal cell carcinomas (most common)

Squamos cell carcinomas

Malignant melanomas (least common, most life threatening)

7

What are specialized actin-containing epithelial cells that contract to expel glandular secretions

Myoepithelial cells

8

What is the inherited inability of an individual to produce melanin, so it is missing from their hair, eyes, and skin

Albinism

9

Albinism mostly occurs because of what reason?

Melanocytes are unable to synthesize tyrosinase

10

Which form of skin cancer is the most common?

Basal cell carcinomas

11

What may be an autoimmune disorder in which the melanocytes are attacked and killed.

Vitiligo

12

Which sweat gland is larger and secrete into the pilary canal of a hair follicle?

Aprocrine sweat glands

13

Which form of skin cancer is the most life threatening?

Malignant melanomas (least common)

14

What is cyanosis due to?

Hemoglobin being depleted of oxygen and looking deep, purplish blue

15

What is the partial or complete loss of melanocytes from patches of skin?

Vitiligo

16

What is redness of the skin known as?

Erythema

17

During epidermal wound healing, what moves up to form the more superficial layers?

Keratinocytes

18

What causes Jaundice?

A buildup in the blood of the yellow pigment bilirubin

19

What is an inflammation of the skin characterized by redness, itching, and swelling, and caused by exposure of the skin to chemicals that bring about an allergic reaction

Contact dermatitis

20

Jaundice usually indicates what?

A liver disease

21

Fibroblasts produce what?

Collagen

22

What is a partial or complete lack of hair?

Alopecia

23

Where do fibroblasts come from?

Mesenchymal cells pluerapotent)

24

Explain the order of deep wound healing.

1. blood clot forms

2. fibroblasts migrate in the wound and produce collagen fibers

3. Growth of epidermal cells beneath the scab and regeneration of blood vessels

4. Scab is lost

25

What is a form of scarring of the skin, caused by tearing of the dermis?

Striae