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HISTO > Epithelial Tissue > Flashcards

Epithelial Tissue Flashcards

1
Q

[epithelial tissue classification]

by shape:

A
  • squamous
  • cuboidal
  • columnar
  • transitional
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2
Q

[mesothelial/mesothelium]

outer covering of the lungs

A

pleura

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3
Q

[mesothelial/mesothelium]

outer covering of the heart

A

pericardium

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4
Q

[types of junctional complexes]

function:
- provides points linking the cytoskeleton of adjacent cells
- strengthens & stabilizes nearby tight junctions

A

adherent junction

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5
Q

six (6) classification of functional epithelium

A
  • mesothelium
  • endothelium
  • myoepithelium
  • endometrium
  • germinal epithelium
  • glandular epithelium
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6
Q

five (5) types of junctional complexes

A
  • occluding/tight junction
  • adherent junction
  • desmosome
  • hemidesmosome
  • gap junction
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7
Q

[functional epithelium classification]

  • muscle
  • outer covering of muscles
A

myoepithelium

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8
Q

[identify what type of epithelial tissue based on the examples]

  • non-keratinized: vagina, cervix, mouth, esophagus
  • keratinized: skin

a. stratified squamous
b. stratified columnar
c. pseudostratified columnar
d. simple squamous

A

a. stratified squamous

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9
Q

lie at the end of the basement membrane

A

epithelial tissue

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10
Q

[identify what type of epithelial tissue based on the examples]

ducts of the gland, lining of kidney tubules

a. simple columnar
b. simple cuboidal
c. simple squamous
d. stratified columnar

A

b. simple cuboidal

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11
Q

helps propel foreign substances

A

cilia

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12
Q

[types of junctional complexes]

function:
- passageway of water & solute
- seal of adjacent cells to each other (sub-function)

A

occluding/tight junction

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13
Q

[identify what type of epithelial tissue based on the examples]

ducts of sweat glands

a. transitional
b. stratified columnar
c. simple squamous
d. stratified cuboidal

A

d. stratified cuboidal

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14
Q

[epithelial tissue classification]

arrangement:

It looks like a stack of layers, but it is actually a single layer

A

pseudostratified epithelium

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15
Q

[types of junctional complexes]

function:
- provides points of strong intermediate filament coupling between adjacent cells, strengthening the tissue

A

desmosome

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16
Q
  • Secretion (e.g glands)
  • Gas exchange (e.g alveoli in the lungs)
  • Lubrication between two surfaces (e.g pleura, peritoneum, pericardium)
A

epithelial tissue

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17
Q

[type of junctional complexes]

protein complexes:
- connexin
- connexon

A

gap junction

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18
Q

a step before a cell becomes cancerous

A

metaplasia

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19
Q

[identify what type of epithelial tissue based on the examples]

urinary bladder, urinary tract

a. simple squamous
b. stratified squamous
c. transitional
d. pseudostratified columnar

A

c. transitional

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20
Q

[type of junctional complexes]

protein complexes:
- occludins
- claudins
- ZO proteins

A

occluding/tight junction

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21
Q
  • not capable of movement
  • capable of sensation
  • mostly found in the ears
  • they vibrate
A

stereocilia

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22
Q

Absorption of material from a lumen (e.g. kidney tubules, small and large intestines)

A

epithelial tissue

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23
Q

[epithelial tissue classification]

arrangement:

has 1 layer

A

simple epithelium

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24
Q

[epithelial tissue classification]

shape:

  • elongated
  • column-like shape
A

columnar

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25
Q

hair-like structure

A

cilia

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26
Q
  • found in blood cells
  • serve as an “ID” for cells
A

glycocalyx

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27
Q

[mesothelial/mesothelium]

outer covering of the digestive

A

peritoneum

28
Q

[types of junctional complexes]

function:
- anchors cytoskeleton to the basal lamina

A

hemidesmosome

29
Q

another term for gap junction

A

nexus

30
Q
  • Made up of compact cells
  • Lie on the basement membrane
  • Avascular
  • Undergo metaplasia
A

epithelial tissue

31
Q

[type of junctional complexes]

protein complexes:
- cadherin family proteins
- desmogleins, desmocollin

A

desmosome

32
Q
  • present in the skin
  • prevents loss of water
A

keratin

33
Q

[epithelial tissue classification]

arrangement:

has 2 or more layers

A

stratified epithelium

34
Q

[functional epithelium classification]

  • “secretions”
  • constitutes your glands
A

glandular epithelium

35
Q

three (3) important protein complexes of zonula occludens

A
  • occludins
  • claudins
  • ZO protein
36
Q

another term for adherent junction

A

zonula adherens

37
Q

[epithelial tissue classification]

shape:

  • flat
  • scale-like
A

squamous

38
Q

[functional epithelium classification]

outer covering of the uterus

A

endometrium

39
Q

having no blood supply

A

avascular

40
Q

[functional epithelium classification]

  • “in-between”
  • tissues in between organs
A

mesothelium

41
Q

[identify what type of epithelial tissue based on the examples]

  • trachea (ciliated)

a. stratified columnar
b. simple columnar
c. stratified cuboidal
d. pseudostratified columnar

A

d. pseudostratified columnar

42
Q

four (4) fundamental types of tissue

A
  • epithelial tissue
  • muscle tissue
  • connective tissue
  • nervous tissue
43
Q

[types of junctional complexes]

function:
- allows direct transfer of small molecules and ions from one cell to another

A

gap junction

44
Q

empty space

A

lumen

45
Q

presence of cilia

A

pseudostratified epithelium

46
Q

[etymology]

“sweet”, “shell”

A

glycocalyx

47
Q

[functional epithelium classification]

inner lining of blood vessels

A

endothelium

48
Q

[type of junctional complexes]

protein complexes:
- integrins

A

hemidesmosose

49
Q

Lines the internal and covers the external surfaces of the body

A

epithelial tissue

50
Q

another term for occluding/tight junction

A

zonula occludens

51
Q

another term for desmosome

A

macula adherens

52
Q

Transportation of material along a surface (e.g. ciliation in the trachea)

A

epithelial tissue

53
Q

group of cells

A

tissue

54
Q

[epithelial tissue classification]

by arrangement:

A
  • simple epithelium
  • stratified epithelium
  • pseudostratified epithelium
55
Q

three (3) types of mesothelial/mesothelium tissue

A
  • pleura
  • peritoneum
  • pericardium
56
Q

[type of junctional complexes]

protein complexes:
- e-cadherin
- catenin complexes

A

adherent junction

57
Q

seven (7) functions of tissue

A
  • protection
  • secretion
  • absorption
  • excretion
  • filtration
  • diffusion
  • sensory reception
58
Q

[identify what type of epithelial tissue based on the examples]

  • male urethra

a. stratified columnar
b. transitional
c. pseudostratified columnar
d. simple columnar

A

a. stratified columnar

59
Q

[functional epithelium classification]

found in the egg cell

A

germinal epithelium

60
Q

[epithelial tissue classification]

shape:

can transition to any shape

A

transitional

61
Q

[identify what type of epithelial tissue based on the examples]

lining of Loop of Henle, Alveoli, Blood vessels

a. simple cuboidal
b. simple squamous
c. simple columnar
d. stratified squamous

A

b. simple squamous

62
Q

another term for hemidesmosome

A

none

63
Q

digestion & absorption of intestinal contents

A

microvilli / brush border

64
Q

[identify what type of epithelial tissue based on the examples]

uterine tube, lining of stomach, gall bladder (non-ciliated), fallopian tube (ciliated), small intestine (w/microvilli)

a. stratified squamous
b. simple squamous
c. simple columnar
d. simple cuboidal

A

c. simple columnar

65
Q

[epithelial tissue classification]

shape:

square-like

A

cuboidal

66
Q

Protects the body from abrasion and injury (e.g skin, esophagus)

A

epithelial tissue

HISTO (6 decks)

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