Human Anatomy & Physiology: Chapter 4 Part 1: Epithelial Tissues Flashcards


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1

What are the four types of tissues?

epithelial, connective, muscle, nerve

2

What is the role of epithelial tissues?

Covers and creates boundaries, protects, secretes, absorbs, filters

3

What are the types of epithelial tissue?

Covering and lining, glandular

4

What is the role of connective tissue?

To support, protect, binds other tissues together

5

What is the role of muscle tissue?

Contracts to cause movement

6

What is the role of nerve tissue?

Controls, internal communication

7

What are the characteristics of epithelial tissue?

Polarity, Specialized Contacts, Supported by connective tissue, avascular but innervated, can regenerate

8

What types of tissues cannot regenerate?

Nerve and muscle

9

Polarity includes what types of surfaces

Apical and basal

10

Apical surfaces include _________ and ________.

Microvilli and cilia

11

Basal surfaces include ________ and ________.

Glycoprotein and collagen fibers

12

Specialized contacts include _________ and ________.

Tight junctions and desmosomes.

13

Epithelial tissues have connective tissues support. It is supported by ______ and ________.

Reticular lamina and basement membrane.

14

True or False: The reticular lamina lies below the basal lamina.

True

15

True or False: The basement lamina consists of the basal lamina and cutaneous membrane.

False.

16

In stratified epithelia, epithelia is classified by the cell shape in the _______ layer.

Apical.

17

Simple squamous epithelium is located where?

Kidneys, lungs, blood and lymphatic vessels

18

Simple squamous epithelium is also located in ___________, the lining of lymphatic vessels, blood vessels, and heart, as well as the ____________, the epithelium of serous membranes in the ventral body cavity.

Endothelium, mesothelium

19

True or False: Simple cuboidal cells form the walls of the smallest ducts of glands and kidney tubules, and ovary surfaces.

True

20

Where are simple columnar epithelium located?

Any cavity of the bod that opens to the outside world and produces mucus (digestive tract, gallbladder, bronchi, uterine tubes).

21

Where are pseudostratified columnar epithelium located?

Trachea, upper respiratory tract, male's sperm carrying ducts

22

True or False: Regeneration of stratified epithelial tissues occurs from the upper surface.

False.

23

Where is stratified squamous epithelium located?

Linings of the esophagus, mouth, and vagina; epidermis of the skin

24

Where are stratified cuboidal epithelium located?

Rare, found in some sweat and mammary glands

25

Where are stratified columnar epithelium located?

Limited distribution in the body; pharynx, male urethra, lining some glandular ducts; also occurs in transitional areas between two other types of epithelia

26

Where is transitional epithelium located?

Forms lining of hollow urinary organs, ureters, bladder, part of the urethra

27

What is a gland?

One or more cells that makes and secretes an aqueous fluid called a secretion.

28

Glands are classified by what?

The site of product release (exocrine or endocrine) and the number of cells forming the gland (unicellular or multicellular).

29

Endocrine glands release product into the _________ while exocrine glands release product into the ________.

Blood; body cavities or surfaces.

30

How do ductless glands secrete hormones?

Exocytosis

31

What types of glands are ductless, endocrine or exocrine?

Endocrine.

32

Exocrine glands secrete products into _________.

Ducts

33

Two types of unicellular glands are _________ and _________.

Mucous cells and goblet cells.

34

What do unicellular glands produce?

Mucin.

35

Where are unicellular glands found?

The linings of intestinal and respiratory tracts.

36

Multicellular exocrine glands are composed of a _____ and a ________.

Duct and secretory unit.

37

Classification of multicellular glands is by __________ and __________.

Structure and type of secretion.

38

Multicellular glands can be __________ or __________.

Simple/unbranched or compound/branched.

39

Multicellular glands are ________, ________ or _________.

Tubular, alveolar, tubuloalveolal

40

The different types of secretion for multicellular glands are merocrine, holocrine, and apocrine. Which type secretes products by exocytosis as produced?

Merocrine.

41

The different types of secretion for multicellular glands are merocrine, holocrine, and apocrine. Which type accumulates products and then ruptures?

Holocrine

42

The different types of secretion for multicellular glands are merocrine, holocrine, and apocrine. Which type accumulates products within but only the apex ruptures? and there is controversy if it exists in humans or not.

Apocrine.