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BMS109 Cell & Molecular > Epithelia & Secretions > Flashcards

Epithelia & Secretions Flashcards

1
Q

What germ layer develops epithelium?

A

ALL germ layers

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2
Q

Where do epithelia rest

A

basement membrane

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3
Q

TRUE or FALSE - epithelia have their own blood supply

A

FALSE

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4
Q

What is an example of epithelia transport

A

paracellular route in gut

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5
Q

What are the functions of the epithelia

A

barrier, absorption, secretion

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6
Q

What are the main types of epithelium

A

simple squamous, stratified, pseudo-straitified, transitional

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7
Q

Where is simple squamous epithelium

A

lungs, alveoli

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8
Q

Where is stratified epithelium

A

skin

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9
Q

Where is transitional epithelium

A

urothelium

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10
Q

Describe simple squamous epithelium

A

flattened and scale like

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11
Q

Where is simple cuboidal epithelium

A

kidney tubules, ducts of glands

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12
Q

Describe simple columnar epithelium

A

with or without cilia/microvilli

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13
Q

Where is simple columnar epithelium found

A

small intestine, gall bladder, bronchus

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14
Q

What are microvilli

A

finger like projections

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15
Q

Where are microvilli found

A

apical surface of absorptive cells

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16
Q

What is the function of microvilli

A

increase SA

17
Q

What are cilia

A

motile structures

18
Q

Where are cilia found

A

apical surface - respiratory and female reproductive tracts

19
Q

Where is stratified epithelia found

A

vagina, tongue, mouth

20
Q

What forms stratified epithelia

A

lower cubical cells

21
Q

What is the function of stratified epithelia

A

protective against abrasion

22
Q

What are the subtypes of stratified epithelia

A

squamous, kerantised

23
Q

What is keratin

A

fibrous protein

24
Q

Describe stratified squamous epithelium

A

non-keratinised

25
Q

Where is stratified squamous epithelia found

A

vagina, mouth, oropharynx

26
Q

Where is pseudo-stratified epithelia found

A

trachea, urinary bladder

27
Q

What is the basement membrane composed of

A

several extracellular proteins

28
Q

What proteins is the basement membrane composed of

A

collage IV and fibronectin

29
Q

What is the function of the basement membrane

A

separate epithelium from connective tissue

30
Q

What is an exocrine gland

A

secretion via a dut

31
Q

What is an endocrine gland

A

secretion via NO ducts

32
Q

What gland secretes proteins

A

serous glands

BMS109 Cell & Molecular (26 decks)

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