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Anatomy > Histo > Flashcards

Histo Flashcards

1
Q

Gap junctions use what protein

A

connexin

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2
Q

Occludin

A

Tight junctions

Strong attachment to neighboring cells

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3
Q

Why do serous stain darker?

A

they are water-based/hydrophillic

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4
Q

Microvillus do what?

A

increase absorption

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5
Q

What do seromucous look like?

A

white in the middle with dark border

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6
Q

Stereocilia/stereovillus

A

unsuually long microvillus made of actin

increase SA for absorption/secretion

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7
Q

flagella

A

modified cilia the help to move sperm

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8
Q

OCCULUDIN JUNCTION

A

IMPERMEABLE, ALLOW CELLS TO FX AS A BARRIER

TIGHT JUNCTIONS

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9
Q

INCREASE IN number of occluding junction does what to permability

A

decrease

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10
Q

anchoring junctions do what?

A

link cytoskeleton to adjacent cells

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11
Q

zonula adherens

A

interacts with the network of actin filaments in the cell

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12
Q

macula adherens

A

interacts with INTERMEDIATE FILAMENTS

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13
Q

simple squamous

location
fx

A

location: endothelium, mesothelium

exchange, barrier and lubricate

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14
Q

simple cuboidal

location
fx

A

location kidneys, bronchioles

ABS (absorp, barrier and secrete)

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15
Q

Simple columnar

location
fx

A

SI/GI tract, uterus

absorb and secret

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16
Q

Pseudostratified, columnar ciliated

A

nuclus are lined up (columnar)

location- pharnxy, trachae
fx- move debris

17
Q

how is cilia different from stereocilia

A

cilia–> microtubule based structure

Stereocilia–> actin

18
Q

urothelium

A

bladder, urethra

barrier and distensible

cells look like DOMES. if cells looks like DOMES, then urothelium

19
Q

how to differentiate keratonized and non-keratonized?

A

kerotonized DO NOT have nuclei in the outermost layer

20
Q

Stratified cuboidal

A

Location: sweat glands, ducts

fx–> barrier and passageway

21
Q

mesothelium

A

simple squamous epithelium that is made up part of serous membrane

22
Q

mucous cells look like what

A

completely clear. can barely see

23
Q

pseudofied columnar with stereocilia look like what?

A

have thick apical extensions of sterocilia

Anatomy (10 decks)

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