Epithelial Tissue Flashcards

(66 cards)

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
hair-like structure
cilia
26
- found in blood cells - serve as an "ID" for cells
glycocalyx
27
[mesothelial/mesothelium] outer covering of the digestive
peritoneum
28
[types of junctional complexes] function: - anchors cytoskeleton to the basal lamina
hemidesmosome
29
another term for gap junction
nexus
30
- Made up of compact cells - Lie on the basement membrane - Avascular - Undergo metaplasia
epithelial tissue
31
[type of junctional complexes] protein complexes: - cadherin family proteins - desmogleins, desmocollin
desmosome
32
- present in the skin - prevents loss of water
keratin
33
[epithelial tissue classification] arrangement: has 2 or more layers
stratified epithelium
34
[functional epithelium classification] - "secretions" - constitutes your glands
glandular epithelium
35
three (3) important protein complexes of zonula occludens
- occludins - claudins - ZO protein
36
another term for adherent junction
zonula adherens
37
[epithelial tissue classification] shape: - flat - scale-like
squamous
38
[functional epithelium classification] outer covering of the uterus
endometrium
39
having no blood supply
avascular
40
[functional epithelium classification] - "in-between" - tissues in between organs
mesothelium
41
[identify what type of epithelial tissue based on the examples] - trachea (ciliated) a. stratified columnar b. simple columnar c. stratified cuboidal d. pseudostratified columnar
d. pseudostratified columnar
42
four (4) fundamental types of tissue
- epithelial tissue - muscle tissue - connective tissue - nervous tissue
43
[types of junctional complexes] function: - allows direct transfer of small molecules and ions from one cell to another
gap junction
44
empty space
lumen
45
presence of cilia
pseudostratified epithelium
46
[etymology] "sweet", "shell"
glycocalyx
47
[functional epithelium classification] inner lining of blood vessels
endothelium
48
[type of junctional complexes] protein complexes: - integrins
hemidesmosose
49
Lines the internal and covers the external surfaces of the body
epithelial tissue
50
another term for occluding/tight junction
zonula occludens
51
another term for desmosome
macula adherens
52
Transportation of material along a surface (e.g. ciliation in the trachea)
epithelial tissue
53
group of cells
tissue
54
[epithelial tissue classification] by arrangement:
- simple epithelium - stratified epithelium - pseudostratified epithelium
55
three (3) types of mesothelial/mesothelium tissue
- pleura - peritoneum - pericardium
56
[type of junctional complexes] protein complexes: - e-cadherin - catenin complexes
adherent junction
57
seven (7) functions of tissue
- protection - secretion - absorption - excretion - filtration - diffusion - sensory reception
58
[identify what type of epithelial tissue based on the examples] - male urethra a. stratified columnar b. transitional c. pseudostratified columnar d. simple columnar
a. stratified columnar
59
[functional epithelium classification] found in the egg cell
germinal epithelium
60
[epithelial tissue classification] shape: can transition to any shape
transitional
61
[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
b. simple squamous
62
another term for hemidesmosome
none
63
digestion & absorption of intestinal contents
microvilli / brush border
64
[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
c. simple columnar
65
[epithelial tissue classification] shape: square-like
cuboidal
66
Protects the body from abrasion and injury (e.g skin, esophagus)
epithelial tissue