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21 fall: histology > lab 4 blood > Flashcards

lab 4 blood Flashcards

1
Q

True capillaries are only large enough to permit the passage of ___ at a time and sometimes the ___ can be seen in the capillaries lined up in single file.

A

one erythrocyte

erythrocyte

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2
Q

small arteries can be defined as having up to ____ layers of ___ muscle in the wall

A

8

smooth

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3
Q

Arterioles, the ___of the small arteries, have about ___ layers of smooth muscle cells in their wall.

A

smallest

1-2

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4
Q

The vein will have a few ____supporting its wall, whereas the artery will have a few ____ around it.

A

collagenous fibers

smooth muscle cells

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5
Q

Three layers of a medium sized artery or vein

A 
tunica intima
tunica media
tunica adventitia (externa)
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6
Q

an endothelial lining is what layer of an artery

A

tunica intima

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7
Q

The ___ of an artery tends to be the thickest and most well-defined layer.

A

tunica media

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8
Q

In a vein the ___ tends to be the widest.

A

tunica externa (adventitia)

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9
Q

Medium arteries tend to have an internal ___.

A

elastic membranes

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10
Q

to see elastic tissue, ___ is used

A

stained by the Weigert’s elastic tissue method and counterstained with hematoxylin

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11
Q

in the large artery: the tunica ___ is well developed and possesses numerous concentrically arranged elastic fibers in the aorta.

A

media

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12
Q

The tunica ____, however, is relatively undeveloped and non-muscular in the aorta.

A

externa, adventitia

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13
Q

a nerve is

A

a bundle of axons in the peripheral nervous system.

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14
Q

Masson’s trichrome stain is used to stain

A

myelinated nerves

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15
Q

Masson’s trichrome stain was used to prepare this slide. Accordingly, collagenous fibers will appear ____ and smooth muscle will be ___

A

blue-green

red

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16
Q

fascicles is ___

A

a bundle of myelinated axons.

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17
Q

the dense connective tissue that wraps a fascicle of nerves is ___

A

perineurium

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18
Q

the connective tissue that extend inward from the perineurium to surround individual myelinated axons is ___

A

endoneurium

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19
Q

the outermost wrapping of a nerve___

and is what tissue type ___

A

epineurium

dense connective tissue

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20
Q

the epineurium extends into the interior of the nerve as a fibrous network, the ____, surrounding the fascicles.

A

interfascicular connective tissue,

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21
Q

Myelinated axons are ___ in H&E preparations.

A

blue

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22
Q

how do unmyelinated nerves differ from myelinated fibers?

A

not surrounded by myelin??

23
Q

neurovascular bundle

A

consists of the binding of blood vessels and nerves with connective tissue

This structural conformation favors their migration in tandem throughout the body.

24
Q
A
25
Q
A

aorta

inferior vena cava

26
Q

make up of nerve

A
27
Q
A

Cat tongue

  1. Capillary in cross-section
  2. Capillary in longitudinal section
  3. Skeletal muscle (note nuclei at periphery of cell)
28
Q
A

Cat tongue

  1. Capillary in cross-section
  2. Skeletal muscle (note nuclei at periphery of cell)
  3. Endothelial cell nuclei
29
Q
A

tonsil

  1. Small artery (note red blood cells in lumen)
  2. Small vein
  3. Smooth muscle cell nucleus
30
Q
A

plylorus/duodenum

  1. Small artery
  2. Small vein (note red blood cells in lumen)
  3. Pyloric gland
  4. Dense irregular connective tissue
31
Q
A

Epididymis

  1. Small artery
    1a. Tunica intima
    1b. Tunica media
    1c. Tunica adventitia
  2. Small vein
32
Q
A
  1. Medium artery

2. Medium vein

33
Q
A

medium artery

  1. Arterial wall
  2. Tunica intima with internal elastic membrane
  3. Tunica media
  4. Tunica adventitia
34
Q
A

medium vein

  1. Venous wall
  2. Tunica intima
  3. Tunica media
  4. Tunica adventitia
35
Q
A
  1. Aorta

2. Vena cava

36
Q
A

Vena Cava

  1. Tunica intima
  2. Tunica media
  3. Tunica adventitia
37
Q
A

Aorta

  1. Tunica intima
  2. Tunica media
  3. Tunica adventitia
38
Q
A

Myelinated Nerve

  1. Epineurium
  2. Perineurium
  3. Adipose tissue
  4. Fascicles of myelinated axons
39
Q
A

Myelinated Nerve

  1. Epineurium
  2. Perineurium
  3. Fascicles of myelinated axons
40
Q
A

Myelinated Nerve

  1. Perineurium
  2. Axons
  3. Endoneurium (blue-green)
  4. Myelin sheath
  5. Space artifact
41
Q
A
  1. Myelinated nerve
  2. Spinal cord white matter
  3. Spinal cord grey matter
42
Q
A

Spinal Cord Myelinated Axon

  1. Axon
  2. Endoneurium
  3. Space artifact caused by the myelin sheath
  4. Schwann cell nucleus
43
Q
A
  1. Nerve Cell Body of Multipolar neuron
  2. Projection
  3. Central spinal canal
44
Q
A

Spinal Cord, Multipolar Neurons in Grey Matter

  1. Nerve Cell Body of Multipolar neuron
  2. Projection
  3. Nucleus
  4. Nucleolus
45
Q
A
  1. Unmyelinated nerves
  2. Small arteries
  3. Small vein
  4. Ductus deferens
46
Q
A
  1. Unmyelinated nerves
  2. Small arteries
  3. Vein
47
Q
A

capillaries in skeletal muscle

48
Q
A

small vein

small artery

49
Q
A
50
Q
A

artery
vein

comb of bird -nucleated RBC

51
Q
A

aorta

  • tunica intima big and elastic
  • tunica media big and elastic
  • tunica externa little

vena cava

  • Tunica media -small
  • tunica externa big
52
Q

yellow is ___
orange is ___
can’t see ___

A

epineurium
perineurium
endoneurium

53
Q
A

neurovascular bundle

nerve, vein and artery

54
Q
A

unmyelinated nerve

there is no space- the space is an artifact from where myelin is no more, therefore no space in unmyelinated

21 fall: histology (36 decks)

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