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Anatomy and Radiology Test 2 > Pelvic Vasculature and Genitalia > Flashcards

Pelvic Vasculature and Genitalia Flashcards

1
Q

Abdominal aorta bifurcates where into what

A

L4

Right and left common iliac artery

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2
Q

Common iliac bifurcates where into what

A

Pelvic brim

Internal and external iliac

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3
Q

External iliac runs

A

Under inguinal ligament to become femoral artery

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4
Q

Internal iliac runs

A

Into the true pelvis and becomes posterior and anterior

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5
Q

Anterior branches of internal iliac artery

A 
Umbilical artery 
Obturator artery
Inferior gluteal
Internal pudendal
Visceral 
All parietal but visceral
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6
Q

Posterior branches of internal iliac artery

A

Iliolumbar
Lateral sacral
Superior gluteal
All parietal

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7
Q

Umbilical artery

A

Becomes occluded in adult as medial umbilical ligament

May give rise to superior vesicle artery and uterine artery

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8
Q

Obturator artery runs and supplies

A

Leaves with obturator nerve and vein through obturator canal

Supplies iliacus muscle and other in lower limb

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9
Q

Inferior gluteal artery runs

A

Terminal branch

Passes through greater sciatic foramen

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10
Q

Internal pudendal artery supplies

A

Main artery of perineum

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11
Q

Superior vesicle artery supplies

A

Supplies superior part of bladder

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12
Q

Inferior vesicle artery supplies

A

Supplies inferior part of bladder, prostate, and seminal vesicles

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13
Q

Uterine artery runs, supplies

A

Cross ureter and passes with cardinal ligament (transverse cervical) to reach the uterus
Supplies uterus and anastomoses with overian artery

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14
Q

Vaginal artery supplies

A

Superior region of vagina

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15
Q

Middle rectal artery supplies

A

Supplies rectum

Anastomoses with superior and inferior rectal

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16
Q

Iliolumbar artery supplies

A

Iliacus and psoas muscles

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17
Q

Lateral sacral artery supplies

A

Spinal branches entering anterior sacral foramina

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18
Q

Superior gluteal artery runs

A

Between lumbosacral trunk and S1

Exits pelvis through greater foramen

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19
Q

Each pelvic organ in true pelvis surrounded by

A

Plexus of veins that drain into internal iliac vein to reach IVC

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20
Q

Exception to plexuses of true pelvis

A

Superior mesenteric vein follower superior rectal artery to hepatic portal vein

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21
Q

Pelvic venous plexus clinical consideration

A

Easy spread of disease from pelvis to vertebral column

Pevlic communicate with external and internal vertebral plexus

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22
Q

Sacral plexus exits through and innervates

A

L4-S4
Anterior sacral foramen
Pelvis, perineum, posterior thigh, most of lower leg, all of foot

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23
Q

Lumbosacral trunk and where it runs

A

L4/5 as they run over pelvic brim into true pelvis

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24
Q

Pudendal nerve arises from and innervates

A

Arises from S2-S4

Perineum

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25
Q

Coccygeal plexus innervates

A

Area around coccyx and anus

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26
Q

Where is aortic plexus renamed and to what

A

L4/5

Superior hypogastric plexus

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27
Q

Where is superior hypogastric plexus renamed and to what

A

True pelvis

Inferior hypogastric plexus (pelvic plexuses)

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28
Q

Below L2, there are only ______ communicans

A

Grey rami communcans

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29
Q

Sacral splanchnics

A

Preganglionic sympathetic fibers that join hypogastric plexus for distribution

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30
Q

Pevlic splanchnics and where they exit into true pevlis

A

Preganglionic parasympathetic fibers from S2-S4
Descend with cauda equina - anterior sacral foramen
Also join hypogastric plexi

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31
Q

Organs of pelvis initally drained by

A

Visceral nodes

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32
Q

Parietal nodes of pelvis and where they go

A

Internal iliac, external iliac, common iliac

To aortic nodes to cisterna chyli to thoracic duct

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33
Q

Genetalia located in the

A

Urogenital triangle

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34
Q

Bucks’s fascia

A

Deep connective tissue of the penis

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35
Q

Tuncia albugina

A

Tough CT capsule of penis

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36
Q

Lateral masses of penis

A

Corpus cavernosa

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37
Q

Median mass of penis

A

Corpus spongiosum

38
Q

Spongy urethra

A

Erectile tissue completely surround this portion of urethra

39
Q

Blood supply of penis

A

Internal pudendal artery

40
Q

Veins of peins relative to Bucks fascia

A

Superficial dorsal penile vein - drains skin

Deep dorsal penile vein - drains erectile tissue

41
Q

Glans penis covered by

A

Prepuce

42
Q

Navicular fossa

A

Dilated end of the urethra in glans region

43
Q

Dorsal penile nerve innervates

A

Skin of the glans

44
Q

Crus of the penis (Crus of corpus cavernosus) attach to

A

Attach to ischiopubic ramus

45
Q

Bulb of penis

A

Proximal end of corpus spongiosum

46
Q

Crus of penis covered by

A

Ischocavernosus muscles

47
Q

Bulb of penis covered by

A

Bulbospongiosus muscle

48
Q

Main sensory neve to penis/clitoris and what it is a terminal branch of

A

Dorsal nerve of the penis/clitoris - pudendal nerve

49
Q

Erection involves coordination of

A

Somatosensory and parasympathetic innervation

50
Q

Parasympathetic during erection

A

vasodilation of arteries allowing blood to fill cavernous spaces

51
Q

Cutaneous innervation erection

A

Glans - helps maintain

52
Q

Somatomotor innervaiton erection

A

Compresses veins to prevent blood from leaving tissue

53
Q

Ejaculation involves coordination of

A

Somatomotor and sympathetic

54
Q

Sympathetic ejaculation

A

Casues seminal emission

55
Q

Contractions of what muslce also occur during ejaculation

A

Bulbospongiosus (somatic)

56
Q

Vulva function

A

Sensory
Direct urine flow
Prevent entry of foreign material

57
Q

Mons pubis

A

Rounded fatty eminence anterior to pubic symphysis

58
Q

Labia majora

A

Two raised skin folds covered with hair

59
Q

Labia minora

A

Hairless folds just inside majora

60
Q

Prepuce

A

Encloses glands clitoris

61
Q

Folds of labia minor

A

Upper - prepuce

Lower - frenulum of the flitoris

62
Q

Posterior merging of the labia minora is

A

Forchette or posterior frenulum of labia minora

63
Q

Vestibule of vagina

A

Space just inside labia minora

Where vaginal orifice and external urethral orifice open

64
Q

Surgical perineum boundaries

A

Posterior - border of anus
Lateral - medial thigh creases
Anterior - vagina/root of scrotum

65
Q

Episiotomy

A

Incision of perineum and posterior vaginal wall to enlarge opening

66
Q

Glans clitoris

A

Spongy erectile tissue where labia minora come together

67
Q

Skin overlying clitoris innervated by

A

Dorsla nerve of clitoris from pudendal nerve

68
Q

Body of clitoris

A

Supports glans and comprised of cavernous ereticle tissue

69
Q

Crura of clitoris

A

Cavernous erectile tissue that is continuous with clitoris

Covered by ischiocavernosus muscle

70
Q

Vestibular bulbs

A

Lie in wall of vestibule of vagina

Covered by bulbospongiosus muscle

71
Q

Vestibular glands

A

Lie below bulbs

72
Q

Testis anterior and lateral covered by

A

Tunica vaginalis

73
Q

Visceral testis associated with

A

Tunical albuginea

74
Q

Tunica albuginea

A

Dense fibrous layer deep to visceral tunica

75
Q

Septa

A

Extension of tunia albuginea that connect to mediastinum testis
Divides testis into lobules

76
Q

Mediastinumtestis

A

Knot of connective tissue on posterior aspect of testis

77
Q

Rete testis

A

Spaces within mediastinum testis

78
Q

Seminiferous tubules

A

Produce spermatozoa

79
Q

Straight tubules

A

Connect semiferous tubulus with rete testis

80
Q

Efferent ductules

A

Connect rete testis to head of epididymis

81
Q

Epididymis

A

Divided into head body and tail and continuous with ductus deferens

82
Q

Ductus deferens

A

Passes up posterior into spermatic cord

83
Q

Testicular artery arises from

A

Abdominal aorta

84
Q

Pampiniform plexus of veins

A

Carry cooler blood around testicular

Returns to IVC

85
Q

Lympathic drainge of testes

A

FOllows venous return to aortic visceral nodes in abdomen

86
Q

Autonomic plexus of the abdomen

A

Follow blood vessels to innervate testes

87
Q

testicular torsion

A

Spermatic cord twists and causes ischemia to testes

88
Q

Sueprficial dartos muscle

A

COntracts and wrinkles skin of tests to pull testes closer to the body

89
Q

External spermatic fascia

A

Continuation of aponeurosis of external abdominal oblique

90
Q

Cremasteric fascia

A

Continuation of internal abdominal oblique

91
Q

Tunica vaginalis

A

Peritoneum that descended with testis

parietal portion and visceral portion

92
Q

Blood supply and innervation of scrotum

A

Anterior and posterior scrotal arteries from internal and external pudendal arteries

Anatomy and Radiology Test 2 (18 decks)

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