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Flashcards in Integument 5b Deck (27)
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1

Eccrine sweat glands

found in palms, soles of the feet, and forehead

2

Different types prevent overheating of the body; secrete cerumen and milk

Eccrine sweat glands, Apocrine sweat glands, Ceruminous glands, Mammary glands

3

Apocrine sweat glands

Found in axillary and anogenital areas

4

Ceruminous glands

modified apocrine glands in external ear canal that secrete cerumen

5

Mammary glands

specialized sweat glands that
secrete milk

6

Sebaceous Glands

Simple alveolar glands found all over the body
Soften skin when stimulated by hormones
Secrete an oily secretion called sebum

7

Functions of hair include

Helping to maintain warmth
Alerting the body to presence of insects on the skin
Guarding the scalp against physical trauma, heat loss, and sunlight

8

Hair is distributed over the entire skin surface except

Palms, soles, and lips
Nipples and portions of the external genitalia

9

Types of hair

Vellus, Terminal

10

Vellus

pale, fine body hair found in children and the adult female

11

Terminal

coarse, long hair of eyebrows, scalp, axillary, and pubic regions

12

Alopecia

hair thinning in both sexes

13

Male pattern baldness

caused by follicular response to DHT

14

Functions of the Integumentary System

Protection, Body temperature regulation, Cutaneous sensation, Metabolic functions, Blood reservoir, Excretion

15

Body temperature regulation is accomplished by

Dilation (cooling) and constriction (warming) of
dermal vessels
Increasing sweat gland secretions to cool the body

16

The three major types of skin cancer are

Basal cell carcinoma, Squamous cell carcinoma, Melanoma

17

Basal Cell Carcinoma

Least malignant and most common skin cancer, Stratum basale cells proliferate and invade the
dermis and hypodermis, Slow growing and do not often metastasize, Can be cured by surgical excision in 99% of the cases

18

Squamous Cell Carcinoma

Arises from keratinocytes of stratum spinosum, Arise most often on scalp, ears, and lower lip, Grows rapidly and metastasizes if not removed, Prognosis is good if treated by radiation therapy or removed surgically

19

Melanoma

most dangerous type of skin cancer, Highly metastatic, Resistant to chemotherapy

20

Melanoma following characteristics ABCD rule

A: Asymmetry; the two sides of the pigmented area do not match
B: Border is irregular and exhibits indentations
C: Color (pigmented area) is black, brown, tan, and
sometimes red or blue
D: Diameter is larger than 6 mm (size of a pencil eraser)

21

First-degree burn

only the epidermis is damaged, Symptoms include localized redness, swelling, and
pain

22

Second-degree burn

epidermis and upper regions of dermis are damaged,
Symptoms mimic first degree burns, but blisters also appear

23

Third-degree burn

entire thickness of the skin is damaged, Burned area appears gray-white, cherry red, or black;
there is no initial edema or pain (since nerve endings
are destroyed)

24

Epidermis develops from

ectoderm

25

Dermis and hypodermis develop from

mesoderm

26

Lanugo

downy coat of delicate hairs covering the fetus

27

Vernix caseosa

substance produced by sebaceous glands that protects the skin of the fetus in the amnion