Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

trisemester 3 TCC > vasculature of the spinal cord > Flashcards

vasculature of the spinal cord Flashcards

1
Q

spinal arteries arise from which part of the vertebral artery?

A

4th part

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

do you have 1 or 2 anterior spinal arteries?

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

do you have 1 or 2 posterior spinal arteries

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

where do the posterior spinal arteries run?

A

posterolateral sulci

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

where does the anterior spinal artery run?

A

anterior median fissure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How many longitudinal arteries arise from the 4th part of the vertebral artery?

A

3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

where does the posterior spinal arteries arise from?

A

PICA or sometimes the vertebral artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

segmental arteries are branches of what arteries?

A

deep cervical, ascending cervical, posterior intercostal, lumbar and lateral sacral arteries.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What do the segmental arteries travel with in the IVF’s?

A

spinal nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what are the two main groups of the segmental arteries?

A

medullary and radicular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

out of the medullary and radicular which arteries run deep along the roots?

A

radicular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

radicular arteries supply what?

A

the ventral and dorsal roots of the spinal nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

anterior segmental medullary arteries anastomose with what artery?

A

anterior spinal artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

the posterior segmental medullary arteries anastomose with what arteries?

A

posterior spinal arteries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what arteries run on top of the radicular arteries?

A

medullary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what does Adamkiewicz stand for?

A

the greater segmental medullary artery at the level of T9 on the left side of 65% of ppl.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

what is the job of The great anterior segmental medullary artery of Adamkiewicz

A

reinforces the circulation to lower 2/3 of spinal cord (lumbar and sacral cord areas)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The great anterior segmental medullary artery of Adamkiewicz is also known as?

A

arteria radicularis magna ( and great radicular artery of Adamkiewicz).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

how many spinal veins are located on the posterior and anterior portion of the spinal cord?

A

3 and 3 = 6 in total spinal veins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

where do the 6 spinal veins drain into ?

A

the medullary and radicular veins and then in to the IVVP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

what does the mnemonic R&R stand for

A

rootlets= radicular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Batson’s venous plexus is a network of____________ veins in the human body that connect the deep pelvic veins and thoracic veins to the_______ .

A
  1. valveless

2. internal vertebral venous plexuses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

pathway of IVVP drainage?

A

Intervertabral veins –> segmental veins –> systemic circulation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

the IVVP communicates inferiorly with what>

A

pelvic veins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

the IVVP communicates superiorly with what?

A

dural sinuses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

the IVVP communicates inferiorly with what in the thoracic and lumbar region ?

A

azygos vein and IVC (inferior vena cava)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

where is a site that METS likes to go in espcially cancer of the lungs, breast, and prostate and CNS?

A

IVVP

28
Q

ischemia of the spinal cord will result in what kind of symptoms?

A

anesthesia, muscular weakness and paralysis.

29
Q

name the superior boundary of the IVF

A

inferior vertebral notch

30
Q

name the inferior boundary of the IVF

A

superior vertebral notch

31
Q

name the anterior boundary of the IVF

A

vertebral bodies and IVDs.

32
Q

name the posterior boundary of the IVF

A

ligamentum flavum and Z joints.

33
Q

what are the contents of the IVF’s?

A

Spinal nerve roots.
Dorsal root ganglia.
Radicular arteries, segmental medullary arteries and associated veins.

34
Q

Which ligament is located between the lamina and tends to calcify as adults become Old.

A

Ligamentum flavum

35
Q

what would cause the IVF to narrow?

A

oseophytes and hypertrophy of the ligamentum flavum

36
Q

how many rexed lamina are there?

A

10

37
Q

which of the lamina contain sensory neurons GSA and GVA?

A

1-4

38
Q

which of the lamina are located in all spinal cord levels?

A

1-5

39
Q

what does lamina 1 hold?

A

marginal zone nuclei

40
Q

lamina 2/substantia gelatinosa is for?

A

neurons that respond to pain sensation and temperatures sensations

41
Q

what is released by the central process of nociceptors as a neurotransmitter?

A

substance P

42
Q

why does the substantia gelatenosa start at C2 and not c1?

A

because C1 is purely motor

43
Q

Lamina 3 and 4 contain what nuclei?

A

nucleus proprius aka proper sensory nucleus

44
Q

recieve what kind of information?

A

receives afferent information regarding proprioception and vibration.

45
Q

Lamina V: respond to

A

visceral afferent stimulation (GVA).

46
Q

Lamina VI

Present only in

A

cervical & lumbar regions

47
Q

Lamina VI Respond to

A

mechanical signals from joints and skin

48
Q

Lamina VII Forms what zone?

A

the Intermediate Zone between dorsal & ventral horns.

49
Q

Lamina VII contains which nuclei?

A

the intermediolateral nucleus, and the intermediomedial nucleus, and Clarke’s column (aka nucleus dorsalis).

50
Q 
Intermediolateral Nucleus (GVE)
Contains cell bodies of?
A

preganglionic sympathetic neurons : Sympathetic Outflow

51
Q

Intermediolateral Nucleus (GVE)n is located where on teh vertebral body?

A

the lateral horn

52
Q

lateral horns are only present in which vertebra?

A

t1-L2

53
Q

is the sacral region the Intermediolateral Nucleus (GVE)

contain cell bodies of?

A

preganglionic parasympathetic neurons: Sacral Parasympathetic Outflow

54
Q

The Intermediomedial Nucleus

fiber are both?

A

GVE and GVA

55
Q

Which lamina holds Clarke’s nucleus primarily?

A

7

56
Q

Dorsal Nucleus of Clark (Clark’s Column= Nucleus Dorsalis)

Extent is

A

C8 - L3 spinal cord segments

57
Q

Dorsal Nucleus of Clark (Clark’s Column= Nucleus Dorsalis) is an origin for which tract?

A

dorsal spinocerebellar tracts

58
Q

Laminae VIII & IX

Located in which horn of the vertebral body?

A

ventral horn

59
Q

which of the lamina receives information from interneurons/internuncial involved in motor reflexes?

A

Lamina 8

60
Q

lamina 9is known as what

A

the main motor pool

61
Q

what is held within the main motor pool?

A

LMN

62
Q

the medial group of Lamina 9 supplies which region of muscles of the body?

A

axial musculature (neck and trunk) and procimal limbs

63
Q

the lateral group of lamina 9 supplies which group of muscles of the body?

A

distal muscles of the limbs

64
Q

the central group of lamina 9 supplies which muscle region?

A

Diaphragm (C3-5; phrenic nerve) and SCM and Trapezius Muscles (Spinal Accessory nerve)

65
Q

when considering the organization of the lamination in the dorsal column what area is more medial, sacral or cervical?

A

sacral

66
Q

when considering the organization of the lamination in the lateral corticospinal tract and
anterolateral system
what area is more medial, sacral or cervical?

A

cervical

67
Q

Lamina X

Composed of

A

neurons that form the gray commissure around the central canal.

trisemester 3 TCC (25 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions