5.2-Tissues Flashcards Preview

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Flashcards in 5.2-Tissues Deck (75)
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1
Q

Where are tissues connected?

A

Intercellular junctions

2
Q

Tissues

A

layers of groups of cells with a common function

3
Q

three types of cellular junctions

A

tight junction, gap junction, desmesomes

4
Q

functions of tight junctions

A
  • membranes of adjacent cells fuse

- cells that form sheet-like layers

5
Q

location of tight junctions

A

lining of digestive tract

6
Q

location gap junctions

A

digestive system, muscular system

7
Q

location of desmesomes

A

skin cells, heart muscles, muscles of digestive tract

8
Q

functions of gap junctions

A
  • connect cells by linking the cytoplasm of adjacent cells

- allows ions, sugars, nucleotides, and amino acids to pass between cells

9
Q

function of desmesomes

A

forms a reinforced structural unit

10
Q

histology

A

study of tissues

11
Q

where does epithelial tissue line?

A
  • organs and body surface

- cavities, hollow organs

12
Q

how are epithelial tissues classified?

A
  • cell shape

- number of cell layers

13
Q

epithelial tissues lack____

A

blood vessels

14
Q

how do epithelial tissues divide?

A

readily

15
Q

organization of epithelial tissues

A

tightly packed

16
Q

types of glandular secretions

A

merocrine glands
apporine glands
holorrine glands

17
Q

examples of merrocrine glands

A

salivary glands, pancreas glands, sweat glands

18
Q

examples of holocrine glands

A

sebaceous glands

19
Q

examples of apocrine glands

A

mammary glands

20
Q

function of holocrine glands

A

secretes products

21
Q

difference between serous fluid and mucus

A

serous fluid-water

mucus-thick

22
Q

what does simple squamous line?

A

air sacs, blood vessels, lymphatic cystem

23
Q

simple squamous= ___ layer of __ cells

A

simple, flat

24
Q

how do substances pass through in simple squamous?

A

easily

25
Q

what does simple cuboidal line?

A

ovaries, glands, kidney tubules

26
Q

function of simple cuboidal

A

secretes and absorbs

27
Q

shape and layers of simple cuboidal

A

single layer, cube shaped cells

28
Q

layer of simple squamous

A

single layer

29
Q

lumen

A

hollow channel

30
Q

what does simple columnar line?

A

uterus, stomach, intestines

31
Q

shape and layers of simple columnar

A

single layer, elongated cells

32
Q

simple columnar posses ____ and _____

A

cilia, microvilli

33
Q

kind of tissue that have goblet cells?

A

simple columnar

34
Q

function of goblet cells

A

secrete mucus

35
Q

location of nuclei in simple columnar

A

near basement

36
Q

shape and layers of pseudostratified columnar

A

single layer, elongated cells

37
Q

where do psuedostratified columnar ephothelium line?

A

respiratory system

38
Q

example of unicellular gland

A

mucus secreting goblet cell

39
Q

example of simple tubular gland

A

intestinal gland of small intestine

40
Q

example of simple coiled tubular gland

A

sweat glands

41
Q

example of simple branches tubular gland

A

gastric glands

42
Q

example of simple branched alveolar gland

A

sebaceous gland

43
Q

simple tubular gland

A

straight tubelike gland that opens directly onto surface

44
Q

simple coiled tubular gland

A

long, coiled, tubelike, long duct

45
Q

simple branched tubular gland

A

branched, tubelike gland, duct short or absent

46
Q

simple branched alveolar gland

A

secretory portions of gland expand into saclike compartments along duct

47
Q

example of compound tubular gland

A

bulbourethral glands of male

48
Q

example of compound alveolar gland

A

mammary glands

49
Q

compound tubular gland

A

secretory portions are coiled tubules, usually branched

50
Q

compound alveolar gland

A

secretory portions are irregularly branched tubules with numerous saclike outgrowths

51
Q

stratified squamous epithelium is named for cells forming _____ layers

A

outermost

52
Q

stratified squamous epithelium produce ____

A

keratin

53
Q

why is keratin produced?

A

older cells are pushed outward

54
Q

does stratified squamous epithelium have many layers?

A

yes

55
Q

stratified squamous epithelium=thick tissue

A

stratified squamous epithelium=thick tissue

56
Q

stratified squamous epithelium lines…

A

oral cavity
vagina
anal canal

57
Q

stratified cuboidal epithelium lines…

A

mammary glands, sweat glands, salivary glands, pancreas

58
Q

stratified cuboidal epithelium forms lining of

A

ovarian follicles and seminiferous tubules(male)

59
Q

stratified cuboidal epithelium composed of….

A

two or three layers of cuboidal cells

60
Q

stratified columnar epithelium composed of

A

several layers of elongated cell

61
Q

stratified columnar epithelium found in

A

male urethra, exocrine glands

62
Q

transitional epithelium lines

A

urinary bladder, ureters

63
Q

transitional epithelium prevents

A

contents from the urinary passageways from diffusing out

64
Q

glandular epithelium intended for

A

cells to secrete substances

65
Q

exocrine glands

A

secrete into ducts

66
Q

endocrine glands

A

secrete into tissue fluid or blood

67
Q

four types of tissues

A

epithelial, connective, muscles, nervous

68
Q

location of epithelial tissues

A

cover body surface, cover and line internal organs, compose glands

69
Q

location of connective tissues

A

widely distributed throughout body

70
Q

location of muscle tissues

A

attached to bones, in the walls of hollow internal organs, heart

71
Q

location of nervous tissues

A

brain, spinal cord, nerves

72
Q

characteristics of nervous tissues

A

cells communicate with each other and other body parts

73
Q

characteristics of muscle tissues

A

able to contract in response to specific stimuli

74
Q

characteristics of connective tissues

A

good blood supply, cells are farther apart than epithelial cells

75
Q

characteristics of epithelial tissues

A

cells are tightly packed, cells readily divide