Internal Iliac Artery, Pelvis, and Pelvic Diaphragm Flashcards

1
Q

Cooper’s ligament crosses over the

A

Superior pubic ramus

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2
Q

Passageways out of the pelvis

A

Obturator foramen

Greater sciatic foramen

Lesser sciatic foramen

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3
Q

Obutrator foramen leads out of ___ to ___

A

Out of true pelvis to the medial thigh

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4
Q

Greater sciatic foramen leads out of ___ to ___

A

Out of the pelvis to the deep gluteal region/ischioanal fossa

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5
Q

Lesser sciatic foramen leads out of ___ to ___

A

Gluteal region to pudendum/perineum

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6
Q

What ligament(s) creates the greater sciatic foramen

A

Sacrospinous ligament

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7
Q

What ligament(s) create the lacuna musculorm and lacuna vasorum?

A

Inguinal ligament and iliopectineal arch

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8
Q

What ligament(s) create the lesser sciatic foramen?

A

Sacrospinous ligament and sacrotuberous ligament

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9
Q

What ligament creates the obturator membrane?

A

Sacrotuberous ligament

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10
Q

Sacrotuberous ligament connects

A

Sacrum to tuberosity of ishium

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11
Q

Sacrospinous ligament connects

A

Sacrum to ishial spine

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12
Q

Muscles of the pelvic diaphrgam

A

Obutrator internus

Coccygeus

Piriformis

Puborectalis

Pubococcygeus

Iliococcygeus

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13
Q

Levator ani consists of

A

Puborectalis

Pubococcygeus

Iliococcygeus

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14
Q

Sympathetic innervation to the pelvis muscles- function

A

Stop movement by causing sphincters to contract

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15
Q

Sympathetic innervation to pelvis is carried by

A

Sacral splanchnic nerves

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16
Q

Functions of afferents that accompany the sympathetics of the pelvis

A

Register stretch sensation superior to the pelvic pain line

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17
Q

Parasympathetic innervation to pelvis muscles- function

A

Propel by organ wall contraction and sphincter relaxation

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18
Q

Parasympathetic innervation to pelvis is carried by

A

Pelvic splanchinic nerves

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19
Q

Functions of afferents that accompany parasympathetics of the pelvis

A

Unconscious reflexes

Pain below the pelvic pain line travel retrograde with parasympathetics

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20
Q

Lumbosacral trunk extends from

A

L4-S4

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21
Q

Ventral rami of lumbosacral trunk include

A

S1-S4

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22
Q

Pelvic splanchinics are

A

S2-S4

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23
Q

Sacral splanchinics come off

A

Sympathetic chain

24
Q

Pelvic splanchinics come off

A

Ventral rami

25
Q

Piriformis and obturator internus are both

A

Lateral rotators

26
Q

Puborectalis- origin

A

Posterior face of medial pubis

27
Q

Puborectalis- insertion

A

Onto itself, wrapping around rectum

28
Q

Puborectalis- innervation

A

S2-S4

nerve to levator ani muscles

29
Q

Puborectalis- action

A

Supports rectum

Assists anal sphincters to prevent fecal incontinence

30
Q

Pubococcygeus- origin

A

Posterior face of medial pubis

Tendinous arch

31
Q

Pubococcygeous- insertion

A

Anterior face of coccyx and sacrum

32
Q

Pubococcygeous- innervation

A

S2-S4

Nerve to levator ani muscles

33
Q

Pubococcygeous- action

A

Supports pelvic organs

Helps control flow of urine

Contracts during orgasm

34
Q

Illiococcygeous- origin

A

Tendous arch

Ischial spine

35
Q

Illiococcygeous- insertion

A

Lateral face of coccyx

Anococcygeal ligament/raphe

36
Q

Innervation of illiococcygeous

A

S2-S4

nerve to levator ani

37
Q

Function of illiococcygeous

A

Supports pelvic organs

38
Q

Ischiococcygeous- origin

A

Ischial spine

Sacrospinous ligament

39
Q

Ischiococcygeous- insertion

A

Lateral face of coccyx

Adjacent border of sacrum

40
Q

Ischiococcygeous- innervation

A

S3-S5

41
Q

Ischiococcygeous- action

A

Supports pelvic organs

Pulls coccyx forward after defecation

42
Q

Branches of the external iliac

A

Inferior epigastric

Deep circumflex iliac artery

Superficial circumflex iliac artery

Superficial epigastric

External pudendal arteries (superficial and deep)

Then it becomes the femoral artery

43
Q

Inferior epigastric artery supplies

A

Abdominal wall muscles

44
Q

Deep circumflex iliac artery supplies

A

Iliacus

Abdominal wall muscles

45
Q

Superficial circumflex iliac artery supplies

A

Superficial structures of anterior hip

46
Q

Superficial epigastric artery ascends between

A

Camper’s and scarpa’s fascia

47
Q

Superficial epigastric artery supplies

A

Superficial structures of lower abdomen

48
Q

Posterior trunk of internal iliac includes

A

Iliolumbar artery

Lateral sacral

Superior gluteal

49
Q

Anterior trunk of internal iliac includes

A

Inferior gluteal

Internal pudendal

Inferior vesicle (Vaginal artery in females)

Middle rectal

Artery to the vas deferens (Uterine artery in females)

Superior vesicle

Obturator

Obliterated umbilical

50
Q

Iliolumbar artery supplies

A

Iliopsoas

Quadratus lumborum

Spinal branch of cauda equina

51
Q

Lateral sacral artery supplies

A

Sacrum/sacral canal

52
Q

Superior gluteal artery supplies

A

Gluteus minimus and gluteus medius

Piriformis

Tensor fascia lata

53
Q

Inferior gluteal artery supplies

A

Gluteus maximus

Posterior thigh

Superior portion of hamstring muscles

54
Q

Internal pudendal artery supplies

A

Perineum

Anus

External genitalia

55
Q

Which internal iliac arteries go to the back body wall

A

Iliolumbar

Lateral sacral

56
Q

Which internal iliac arteries leave the pelvis entirely

A

Obturator- leaves anteriorly

Leave posterioly:
Superior gluteal

Inferior gluteal

Internal pudendal

57
Q

Which internal iliac arteries go to the pelvic viscera?

A

Superior vesical

Middle rectal

Inferior vesical/artery to ductus deferens (males)

Vaginal/uterine (females)