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Gross III Final > Pelvic Arteries > Flashcards

Pelvic Arteries Flashcards

1
Q

What is the main artery of pelvis?

A

internal iliac a

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2
Q

internal iliac a indirectly supplies what regions?

A

gluteal, medial thigh and perineum

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3
Q

the internal iliac a branches from?

A

common iliac a - which branches from abdominal aorta

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4
Q

What are the two normal divisions for the internal iliac a

A

anterior and posterior

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5
Q

What are the branches that come off the anterior division of internal iliac a

A
  • umbilical a
  • obturator a
  • inferior vesicle (male only)
  • uterine a (only females)
  • vaginal a (only in females)
  • middle rectal a
  • internal pudendal a
  • inferior gluteal a
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6
Q

where do you find the umbilical a?

A

between urinary bladder and lateral wall of pelvis

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7
Q

What branch does the umbilical a give off?

A

superior vesicle a - goes to bladder

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8
Q

prenatally the umbilical a carries blood from the fetus that is ?

A

deoxygenated

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9
Q

postnatally the umbilical a atrophies and becomes ?

A

medial umbilical lig

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10
Q

Where does the obturator a arises close to?

A

origin of umbilical artery

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11
Q

The obturator a passes along the lateral wall of pelvis to what area?

A

obturator canal ā€“> exits pelvis at this canal with the obturator VN

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12
Q

What does the obturator a supply?

A

muscles of medial thigh, also provides small branches to ilium and pubis

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13
Q

Can the obturator a originate elsewhere than the internal iliac a

A

yes can originate from external iliac a or inferior epigastric a

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14
Q

What does the inferior vesical a supply?

A

inferior surface of urinary bladder, seminal vesicles and prostate, may also provide branch to ductus deferens

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15
Q

What is the male homologue to the uterine a?

A

is artery to ductus deferens

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16
Q

What does the uterine a supply?

A

present only in females, supplies uterus, cervix and superior parts of the vagina

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17
Q

What is the male homologue to the vaginal a?

A

inferior vesical a

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18
Q

What does the vaginal a supply?

A

numerous branches to anterior/posterior surfaces of vagina

- also supplies inferior surface of urinary bladder and pelvic urethra

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19
Q

what does middle rectal a supply?

A

inferior part of rectum, seminal vesicles and prostate in males or vagina in females

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20
Q

What does middle rectal a anastomose with?

A

superior and inferior rectal a

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21
Q

where does the internal pudendal a exit the pelvis?

A

thru the inferior part of greater sciatic foramen ā€“> passes over sacrospinous lig and then thru lesser sciatic foramen

22
Q

What nerve runs with internal pudendal a?

A

pudendal n in pudendal canal

23
Q

What does the internal pudendal a supply?

A

primary arterial supply to perineum and external genitalia; larger in males

24
Q

the internal pudendal artery gives off what branch?

A

inferior rectal a

25
Q

Inferior gluteal a - where does it pass/between what ventral rami?

A

passes posteriorly usually between S2 and S3 ventral rami

26
Q

Where does the inferior gluteal a exit the pelvis?

A

passing thru inferior part of greater sciatic foramen, exits infeiror to piriformis m

27
Q

What does the inferior gluteal a supply?

A

lower gluteal muscles and upper posterior thigh muscles

28
Q

What are the branches off the posterior division of the internal iliac a?

A

iliolumbar a, lateral sacral a, superior gluteal a

29
Q

How does the iliolumbar a run?

A

superolateral (recurrent) to iliac fossa where it divides

30
Q

What are the branches of the iliolumbar a?

A

iliac branch, lumbar branch

31
Q

What does the iliac branch of the iliolumbar a supply?

A

iliacus m

32
Q

What does the lumbar branch of the iliolumbar a supply?

A

psoas major and QL

33
Q

What does the lateral sacral artery supply?

A

spinal meninges around roots of sacral nerves, and supply skin and deep muscles overlying posterior aspect of sacrum

34
Q

What does the superior gluteal supply?

A

upper gluteal muscles and TFL

35
Q

Where does the superior gluteal a pass?

A

between lumbosacral trunk and S1 ventral ramus

36
Q

Where does the superior gluteal a exit the pelvis?

A

by passing thru the superior part of greater sciatic foramen, exits superior to piriformis m

37
Q

Where does the ovarian a branch from?

A

abdominal aorta inferior to renal artery

38
Q

Is the ovarian a retroperitoneal ?

A

yep,

39
Q

Is the ovarian a post or ant rto ureter?

A

anterior, to which it supplies blood

40
Q

In pelvis the ovarian a passes medially thru which structure?

A

suspensory lig of ovary

41
Q

What does the ovarian a supply?

A

ovary and uterine tube and anastomoses with uterine a

42
Q

What does the ovarian a anastomose with?

A

uterine a

43
Q

Where does the testicular a branch from?

A

abdominal aorta inferior to renal a

44
Q

is the testicular a retroperitoneal?

A

yep

45
Q

Is the testicular a anterior to the ureter?

A

yes

46
Q

Where does the testicular a enter?

A

deep inguinal ring and then passes thru inguinal cnal to scrotum

47
Q

What does the testicular a supply?

A

testis and epididymis

48
Q

Where does the median sacral artery arise?

A

from posterior surface of abdominal aorta just superior to bifurcation

49
Q

Where is the median sacral artery located?

A

anterior to lower lumbar vertebrae, sacrum and coccyx

50
Q

What artery represents the caudal end of embryonic dorsal aorta?

A

medial sacral artery

51
Q

What is the terminal branch of the inferior mesenteric a?

A

superior rectal a

52
Q

What does the superior rectal a supply?

A

superior part of rectum, sorry duh but Iā€™m thorough

Gross III Final (15 decks)

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