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SP14 Anatomy > EX2 Pelvic Neurovasculature > Flashcards

EX2 Pelvic Neurovasculature Flashcards

1
Q

This splits into the common iliac artery

A

abdominal aorta

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2
Q

This splits into the external and internal iliac arteries

A

common iliac artery

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3
Q

This exits the pelvis as the femoral artery

A

external iliac artery

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4
Q

This enters the true pelvic and branches into posterior and anterior branches

A

internal iliac artery

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5
Q

What does the internal iliac artery and its branches supply

A

pelvic organs and gluteal region

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6
Q

This posterior artery branch of internal iliac runs between the iliac crest and L5; runs superior

A

Iliolumbar

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7
Q

This posterior artery branch of internal iliac enters the ventral sacral foramina

A

lateral sacral

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8
Q

This artery supplies medial ilium and L5

A

iliolumbar

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9
Q

This artery supplies sacrum and ventral sacral nerves

A

lateral sacral

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10
Q

This posterior artery branch of internal iliac between L5 and S1 enters gluteal region superior to the piriformis muscle

A

superior gluteal

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11
Q

This posterior artery branch of internal iliac between S1/S2 or S2/S3 enters gluteal region inferior to piriformis muscle

A

inferior gluteal

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12
Q

This artery supplies gluteal muscles (medius and minimus) along with the accompanying nerve

A

superior gluteal

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13
Q

This artery supplies the gluteal muscle (maximus) along with the accompanying nerve

A

inferior gluteal

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14
Q

What is the path of the internal pudendal artery (posterior branch of internal iliac)

A

exits the pelvis through the greater sciatic foramen
enters the gluteal region inferomedial to piriformis
crosses over sacrpspinous ligament
re-enters the pelvis through the lesser sciatic foramen
*runs with the pudendal nerve

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15
Q

This artery supplies the urogenital and anal triangles

A

internal pudendal artery

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16
Q

This contains the internal pudendal artery and pudendal nerve back in pelvis

A

pudendal canal

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17
Q

This is formed by fascia of obturator interns mucles and runs anteriorly along ischiopubic ramus (toward the UG∆)

A

pudendal canal

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18
Q

This anterior artery branch of internal iliac runs toward the anterior abdominal wall

A

umbilical

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19
Q

This anterior artery branch of internal iliac runs through the obturator canal

A

obturator

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20
Q

This artery sends 3-4 superior vesicle arteries to bladder and terminates as medial umbilical ligament

A

umbilical

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21
Q

This artery supplies medial thigh running with the nerve

A

obturator

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22
Q

The obturator artery anastomoses with which vessels

A

inferior epigastric

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23
Q

What is meant by the Corona Mortis “crown of death”

A

since obturator anastomoses with inferior epigastric, damage to them could open the entire internal and external iliac system, causing death in minutes

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24
Q

This anterior artery branch of internal iliac anastomoses with ovarian artery from aorta

A

uterine

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25
Q

This artery supplies uterus, cervix, and superior vaginal canal

A

uterine

26
Q

What are the male counterparts to the uterine artery in females

A

inferior vesical and artery of ductus deferens

27
Q

This anterior artery branch of internal iliac supplies the inferior vaginal canal and posterior inferior bladder

A

vaginal

28
Q

This anterior artery branch of internal iliac supplies the rectum

A

middle rectal

29
Q

The ureter runs between which to arteries in females

A

uterine

vaginal

30
Q

What kind of complications can arise from the ureter running between the uterine and vaginal arteries

A

During a hysterectomy, the ureter can be cut accidentally causing backup into the kidneys; kidney stones

31
Q

This is the major vein of venous drainage of the pelvis and it ultimately runs to which vein

A

internal iliac

IVC

32
Q

This venous system enters the IVC superiorly; hypertension; anastomoses

A

portal venous system

33
Q

This is a venous network that surounds the bladder, prostate or uterus, and rectum

A

pelvic venous plexus

34
Q

True or False

The pelvic venous plexuses intercommunicate prior to forming named vessels

A

True

35
Q

What is the significance about the pelvic venous plexus intercommunication

A

there are clinical consequences involving the transportation of tumor cells or venous hypertension; it is valveless

36
Q

What type of innervation is the sacral plexus

A

somatic innervation

S2-S4

37
Q

What type of innervation is the autonomic plexuses

A

autonomic innervation

38
Q

This forms the lumbosacral trunk and crosses over sacral ala

A

L4-L5

39
Q

This emerges above the piriformis muscle

A

S1

40
Q

These emerge through piriformis muscle

A

S2 and S3

41
Q

These contribute to the pudendal nerve

A

S2-S4

42
Q

These form the sciatic and gluteal nerve

A

L4-S3

43
Q

Which levels of the spinal cord form the sacral plexus

A

L4-S4

44
Q

What trunks form the sacral plexus

A

lumbosacral trunk
sympathetic trunk
sciatic trunk

45
Q

The sympathetic fibers of the sacral plexus are made up of what spinal levels and nerves

A

T10-L2(3)

sacral splanchnic nerves

46
Q

The parasympathetic fibers of the sacral plexus are made up of what spinal levels and nerves

A

S2-S4

pelvic splanchnic nerves

47
Q

The superior hyopgastric plexus contains what type of fibers and forms what nerve(s) which go where

A

mostly sympathetic fibers
condenses to form 2 hyopgastric nerves
they diverge and curve outward bilateral to rectum

48
Q

This plexus covers the bifurcation of aorta and upper sacrum

A

hypogastric plexus

49
Q

The inferior hypogastric plexus contains what type of fibers and serves as what

A

both sympathetic and parasympathetic fibers

serves as main autonomic plexus of pelvis

50
Q

This plexus covered pelvic viscera bilaterally

A

inferior hypogastric plexus

51
Q

True or False

In the thorax, sympathetic chain ganglia are more medial

A

False; in the thorax that are more lateral and move medially as they descend

52
Q

The pelvic sympathetic fibers are located where and terminate where

A

medial to sacral foramen

converge and terminate anterior to coccyx and ganglion impar at the midline

53
Q

These are tiny sympathetic fibers off the sympathetic chain

A

sacral splanchnic nerves

54
Q

These are tiny parasympathetic fibers off S2-S4

A

pelvic splanchnic nerves

55
Q

The sacral and pelvis splanchnic nerves enter which plexus to travel where

A

inferior hypogastric plexus

fibers travel on arterial branches to pelvic organs

56
Q

The splanchnic nerves are closely related to what

A

lateral rectum and uterus

57
Q

What are the clinical implication of the splanchnic nerves

A

easily injured during rectal surgery or radical hysterectomy

results in impaired bladder control or sexual function

58
Q

Where do the abdominopelvic lymphatic vessels and nodes lie

A

along aorta, IVC, and iliac vessels

59
Q

What is the flow of lymphatic drainage

A

superficial to deep then superiorly

through vessels, nodes, and cisterns

60
Q

What is the flow of lymphatic drainage below umbilicus

A

it moves inferiorly first to inguinal then deep then superiorly

61
Q

True or False

Each organ has its on lymphatic drainage

A

True

SP14 Anatomy (33 decks)

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