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Repro and Sexual Health > Anatomy of pelvic lateral wall and pelvic mass > Flashcards

Anatomy of pelvic lateral wall and pelvic mass Flashcards

1
Q

Generally, what is seen in the lateral pelvic wall?

A 
Vessels
Nerves
Lymphatics
Ureter
Muscle 
Peritoneum 
Vas deferens/ round ligament of uterus
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2
Q

What ligaments make up the 2 sciatic foramen of the pelvis?

A

Sacrospinous

Sacrotuberous

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3
Q

What is the tendinous arch of the levator ani?

A

Origin point of levator ani

Thickened fascia over obturator internus

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4
Q

What is the function of the obturator internus?

A

Separates the superior and inferior gemellus

Lateral rotator

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5
Q

Underneath which muscle does the sciatic nerve pass?

A

Piriformis

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6
Q

What do the majority of the arteries of the pelvis and perineum arise from?

A

Internal iliac artery

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7
Q

What are the 2 exceptions to the arteries of the lateral pelvic wall (not internal iliac)?

A

Gonadal arteries; L2

Superior rectal; continuation of inferior mesenteric artery

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8
Q

What are the 2 divisions of the internal iliac artery in the pelvis?

A

Anterior; visceral

Posterior; parietal

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9
Q

What are the divisions of the posterior internal iliac artery within the lateral pelvis?

A

Sup and inf gluteal arteries

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10
Q

What are the divisions of the anterior internal iliac artery within the lateral pelvis?

A

Internal pudendal
Vesical arteries
Obturator artery

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11
Q

What are the branches of the internal pudendal artery in men?

A 
Middle rectal 
Inferior vesical 
Prostatic branch
Perineal artery 
Posterior scrotal artery 
Deep artery of penis
Dorsal artery of penis
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12
Q

What is the route of the internal pudendal artery?

A

Leaves pelvis via greater sciatic foramen

Re-enters via lesser sciatic foramen

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13
Q

What is the origin of the anterior scrotal artery?

A

External iliac artery

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14
Q

What do the dorsal artery of penic and deep artery of penis supply respectively?

A

Dorsal artery = corpus spongiosum

Deep artery = corpus cavernosum

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15
Q

What is the difference between the arteries of pelvic wall in males and females?

A

Female; no inferior vesical artery

Equivalent is vaginal artery

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16
Q

What is the importance of the uterine artery?

A

Ligated in a hysterectomy

17
Q

What are the 2 important anastomoses in the female genital system?

A

Uterine artery and ovarian artery

Uterine artery and vaginal artery

18
Q

Where does the ureter run in terms of the uterine artery?

A

Ureter runs underneath the uterine artery; need to be sure not to ligate in hysterectomy

19
Q

What are the branches of the internal pudendal artery in females?

A 
Uterine artery 
Middle rectal 
Vaginal artery 
Inferior rectal artery 
Perineal artery 
Dorsal artery of malignancy
20
Q

What is the origin of the labial arteries?

A

External iliac

21
Q

What is important about the venous system in the pelvis?

A

Forms large plexuses which can be easily torn and will bleed lots

22
Q

Where will venous blood from the pelvis drain?

A

Internal iliac
Into common iliac
IVC

23
Q

What is the drainage of the superior rectal vein?

A

Hepatic portal system via splenic vein

24
Q

Where will the lateral sacral plexus drain into?

A

Internal vertebral venous plexus; important for cancerous and infection spread

25
Q

What plexuses are associated with the sacrum in the plexus?

A

Lateral sacral

Presacral

26
Q

What are the nerves of the lateral pelvic wall?

A 
Sacral plexus 
Pelvic splanchnic nerves 
Nerve to levator ani 
Pudendal 
Sciatic 
Obturator nerve
27
Q

Via which canal does the obturator nerve and vessel pass through?

A

Obturator canal

28
Q

What are the lymphatics present in the pelvis?

A 
Pararectal 
Deep and superficial inguinal 
Internal and external iliac 
Common iliac 
Sacral 
Inferior mesenteric 
Lumbar
29
Q

Where will superior pelvic viscera lymph drain to?

A 
External iliac 
Common iliac 
Aortic 
Thoracic duct
Venous system
30
Q

Where will inferior pelvic viscera lymph drain to?

A 
Deep perineum
Internal iliac 
Common iliac
Aortic
Thoracic duct
Venous system
31
Q

Where will lymph from the superficial perineum drain to?

A

Superficial inguinal nodes

32
Q

Where will lymph from ovaries and testes drain to?

A

Lumbar nodes

33
Q

Where will lymph from the clitoris and glans of penis drain to?

A

Deep inguinal nodes first

34
Q

What is trans-peritoneal spread?

A

Disease can penetrate through the peritoneal layer and disseminate into the peritoneal cavity

Repro and Sexual Health (77 decks)

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