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HISTOLOGY > Epithelial tissue > Flashcards

Epithelial tissue Flashcards

1
Q

Line the surface/ body cavity

A

Epithelial tissue

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2
Q

Serves as gland

A

Epithelial tissue

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3
Q

Elongated cells with extremely fine process

A

Nervous tissue

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4
Q

Aggregated polyhedral cells

A

Epithelial tissue

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5
Q

Elongated contractile cells

A

Muscle tissue

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6
Q

Several types of fixed and wandering cells

A

Connective tissue

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7
Q

Has very small amount of ECM

A

Nervous

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8
Q

Small amount of ECM

A

Epithelial

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9
Q

Moderate ammount of ECM

A

Muscle

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10
Q

Abundant ECM

A

Conective tissue

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11
Q

Transmission of nerve impulses

A

Nervous tissue

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12
Q

Lining of surface or body cavity and for glandular secretion

A

Epithelial tissue

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13
Q

Strong contraction and body movement

A

Muscle tissue

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14
Q

Support and protection of tissues and organs

A

Connective tissue

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15
Q

Most organs can be divided into

A

Stroma and Parenchyma

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16
Q

Group of cell or tissue responsible for organs specialized functions

A

Parenchyma

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17
Q

Example of parenchyma

A

lungs, parenchyma is alveoli

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18
Q

cells that has supporting role in the organ; hold the organ

A

Stroma

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19
Q

Principal functions of epithelial tissue

A
  • Covering, lining and protecting surfaces (epidermis)
  • Absorption (intestinal lining)
  • Secretion ( Parenchymal cells of gland)
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20
Q

Specific cells of certain epithelia may be

A

contractile (Myo epithelial cells) or Specialized sensory cells (taste buds or olfactory epithelium)

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21
Q

Oblong/ rectangular shape

A

columnar epithelium

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22
Q

circle/square shape

A

Cuboidal Epithelium

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23
Q

flat

A

Squamous Epithelium

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24
Q

lines the intestine and stomach

A

Columnar epithelium

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25
Q

Epidermis type of epithelial tissue

A

Squamous epithelium

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26
Q

Shape and layer of epithelial tissues are dicatated by

A

their functions

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27
Q

one layer of epithelial tissue

A

simple

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28
Q

Multiple layers of epithelial tissue

A

Stratified

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29
Q

False stratified

A

Pseudo stratified

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30
Q

Most epithelia rest on

A

Connective tissue

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31
Q

Contains microvasculature that brings oxygen and nutrients to both tissues

A

Connective tissue

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32
Q

The connective tissue that underlies the epithelia lining the organs of digestive, respiratory and urinary system

A

Lamina propria

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33
Q

The area of contact between epithelium between epithelium and CT may be increased by irregularities at the interface in the form of small evaginations called

A

Papillae

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34
Q

Papillae occurs only in

A

epithelial tissues subject to frictions like covering of the skin or tongue.

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35
Q

Through____ the oxygen and nutrients from CT goes to ET.`

A

Diffussion

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36
Q

It divides CT and ET

A

Basement Membrane

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37
Q

boundary between CT and ET

A

Basement Membrane

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38
Q

Structure that Epithelial tissue sits on

A

Basement Membrane

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39
Q

groove

A

Basement Membrane

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40
Q

All epithelial cells in contact with subjacent CT have at their basal surface a specialized, feltlike sheet of ECM reffered to

A

Basement Membrane

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41
Q

Found in the part of CT

A

Papillae

42
Q

What type of tissue can be found in pappillae

A

CT

43
Q

What type of tissue can be found in pulmonary, digestive and urinary system

A

Lamina Propria

44
Q

Region of cell contacting CT

A

Basal pole

45
Q

The opposite of basal pole, usually facing the space

A

Apical pole

46
Q

Regions of cuboidal and columnar cells that joins the neighboring cells

A

Lateral pole

47
Q

Semi-permeable filter for substances reaching Epithelial cells from below

A

Basement Membrane

48
Q

Completely aposed

A

ET

49
Q

spaces between cells

A

ECM

50
Q

Basement membrane has 2 layers

A

Basal lamina and reticular lamina

51
Q

what part of basement membrane is specifically located below epithelium

A

Basal lamina

52
Q

the layer of basement membrane produced by epithelium

A

Basal lamina

53
Q

the layer of basement membrane produced by CT

A

Reticular Lamina

54
Q

Directly lies above basal lamina and basement membrane

A

Basal cells

55
Q

Basal lamina includes

A

Laminin
Type IV collagen
Nindogen

56
Q

Large glycoprotein that self assemble as a LACELIKE NETWORK immedietly below the cells basal pole where they are held in place by transmembrane integrins

A

Laminin

57
Q

Monomers of __ contains 3 polpeptide chain and self assemble further to form feltlike layer.

A

Type IV collagen

58
Q

Laminin

Type IV collagen are held together by the

A

adhesive glycoprotein entactin/ nindogen and by perlecan a proteoglycan

59
Q

Adhesions

A

Tight/occluding junctions/Zonulae occludens
Adherent/anchoring junctions/Desmosomes
Gap junctions/Communicating junctions/ Nexuses

60
Q

Forms seal between adjacent cells

A

Tight/occluding junctions/Zonulae occludens

61
Q

Sites of string cells adhesions

A

Adherent/anchoring junctions/Desmosomes

62
Q

Channels for communications between adjacent cells

A

Gap junctions/Communicating junctions/ Nexuses

63
Q

lower part
stick to basal lamina
on the basal pole

A

Hemidesmosomes/ anchoring junctions

64
Q

Fingerlike cytoplasmic projection in the apical surface of most epithelial cells.

A

Microvilli

65
Q

Microvilli has passive movement due to

A

conraction of terminal web

66
Q

No. and shape of microvilli of given cell type correlate with

A

cells absorptive capacity

67
Q

the internal structure of microvilli contains

A

core of actin fillaments that are crosslinked by several actin building protein.

68
Q

purpose of microvilli

A

increase surface area and absorptive capacity

69
Q

characteristics of microvilli seen in HNE

A

brush border

70
Q

Usually long immotile microvilli

A

Stereocillia

71
Q

why stereocillia has passive movement

A

to facilitate movement of intestinal content

72
Q

stereocillia can only be seen in

A 
inner ear (indolymph)/ endolymph
epididymis (male genitals)
73
Q

Long highy motile apical structure larger than microvilli and contains internal arrays of microtubules

A

Cillia

74
Q

common surface modification present nearly on every cell of the body

A

Cillia

75
Q

like extension of apical plasma membrane

A

Cillia

76
Q

where can cillia be seen

A 
upper and lower respiratory tract
Respiratory epithelium (pseudostratified epithelium)
77
Q

if the epithelium has white spot is has

A

goblet cells and it means that it is a respiratory tract

78
Q

secretes mucus

A

goblet cells

79
Q

what moves the trapped germs with the mucus toward the tpo

A

Cillia

80
Q

Cilia contains axonyme

A

9 microtubules outside- for active movemet

2 central microtubule- singlets

81
Q

2 Types of epithelia

A

Covering/lining epithelia

Secretory/glandular epithelia

82
Q

mesothelium

A

lining of heart, lungs and abdomen

83
Q

endothelium

A

lining of blood vessels

84
Q

transitional cells

A

eurothelial cells

85
Q

Secretory epithelia and glands

A

Goblets
exocrine
endocrine

86
Q

with duct

A

exocrine

87
Q

ductless
products secretes through blood difussion
hormones

A

endocrine

88
Q

exocrine

A

merocrine secretion
apocrine secretion
holocrine secretion

89
Q
  • secretory product is delivered in membrane bound vesicles
  • most exocrine are __
  • via exocytosis
  • salivary gland
A

merocrine

90
Q
  • Secretory product acumulate in apical part in maturing cells and the it will undergo apoptosis
  • ex. sebaceous gland
A

Holocrine

91
Q
  • Also secretes in apical portion
  • sorrounded by thin layer of cytoplasm which envelope plasma membrane
  • found in lactating mammary gland
  • large lipid droplet in milk
A

apocrine gland

92
Q

serous

A

watery

93
Q

mucus

A

mucoid

94
Q

serous cells produce

A

glycosylated/nonglycosylated protein

95
Q

extensive glycosylation of the constituent protein with anionic oligosaccharide

A

mucus

96
Q

push the secretory product

contractile epithelial cells

A

myoepithelial cells

97
Q

conjunctive

A

columnar

98
Q

Bladder, ureter, renal calyces.

A

transitional

99
Q

Sweat glands, developing ovarian follicles

A

cuboidal

100
Q

mouth, esophagus, larynx, vagina, anal canal

A

squamous nonkeratinize

101
Q

skin/epidermis

A

squamous keratinize

HISTOLOGY (10 decks)

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