Chapter 3: Integumentary System: Skin, Etc. Flashcards Preview

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Flashcards in Chapter 3: Integumentary System: Skin, Etc. Deck (34):
1

Antimicrobial barrier often possessing viscous, moist secretions on its surface and covering most body surfaces not directly in contact with the outside environment.

Mucous membrane

2

Fibrous sheet found underlying epithelial and endothelial tissue.

Basement membrane

3

Skin as defined from the perspective of its being a tissue membrane.

Cutaneous membrane

4

Most abundant protein in mammals, connects together tissues and is the primary constituent of connective tissue.

Collagen

5

Connective tissue protein that is capable of fairly substantial stretching and contraction while exerting force towards return to its original size.

Elastin

6

Crosslinked collagen fibers that create a fine mesh that serves as connective tissue internal support of various soft internal tissues within animal bodies.

Reticulin

7

Major protein constituent of the outer layer of skin, nails, hair, reptilian scales, feathers, hooves, claws, beaks, baleen, horns including those of rhinoceros, and porcupine quills.

Keratin

8

Body barrier as displayed by vertebrate animals to microorganisms and various invertebrate animals as well as water, nutrients, and colloidal substances as found in bodies.

Skin

9

The underlying layer of the skin.

Hypodermis

10

Alternative name for hypodermis.

Subcutaneous

11

The middle layer of the skin.

Dermis

12

The outer layer of the skin.

Epidermis

13

The lower-most layer of the epidermis.

Basal stratum

14

The upper-most layer of the epidermis.

Cornified stratum

15

Cells that are responsible for generating the primary protein constituent of the cornified layer of skin as well as of various skin appendages such as hair.

Keratinocytes

16

Cells responsible for producing the major pigment associated with skin and hair.

Melanocytes

17

Common pigment associated for example with skin, hair, and eyes which serves as an absorbent of ultraviolet radiation.

Melanin

18

Single layer of tightly connected animal cells that serves as a surface covering of other tissues.

Simple epithelium

19

Multiple layers of tightly connected animal cells that serve as a surface covering of other tissues.

Stratified epithelium

20

Smooth muscles attached to hair follicles.

Arrector pili

21

Keratin-based skin appendage that is a defining characteristic of mammals.

Hair

22

Source in mammals of defining keratinized skin appendages as well as the outlet for apocrine and sebaceous glands.

Hair follicle

23

Hardened keratin-based structures found at the terminus of most primate digits.

Nails

24

Means by animals generate substances that are then released via ducts.

Exocrine gland

25

Antimicrobial as well as cooling fluid released onto the skin by certain exocrine glands.

Sweat

26

Releaser, onto the skin, of sweat.

Eccrine gland

27

Releasers of non-sebum oily materials into hair follicles and from there to the surface of our bodies.

Apocrine gland

28

Releasers of water-proofing materials into hair follicles and from there to the surface of our bodies.

Sebaceous gland

29

Lubricating, waterproofing, and antimicrobial substance secreted onto the skin of mammals.

Sebum

30

Acne vulgaris

Skin condition associated with blockage of hair follicles and sebaceous glands.

31

Boil

Deep hair follicle infection.

32

Impetigo

Contagious bacterial skin infection common especially among young children.

33

Wart

Growth-like viral infection of the skin.

34

Hardened as well as thickened regions of epidermis that develop in skin given substantial use.

Callus