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Anatomy - Repro > Practical 1 - Station 3: Vessels, nerves and lymph nodes of the pelvis > Flashcards

Practical 1 - Station 3: Vessels, nerves and lymph nodes of the pelvis Flashcards

1
Q

What parts of the pelvic cavity are not supplied by the internal iliac artery?

A

Testis

Ovary

Upper rectum

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2
Q

What is the blood supply of the testis/ovary?

A

Gonadal artery

Branch of the abdominal aorta

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3
Q

What is the blood supply of the upper rectum?

A

Sup rectal artery

Branch of the IMA

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4
Q

What are the main branches of the Internal iliac artery?

A

Iliolumbar

Sacral

Superior gluteul

Inf gluteul

Inf pudendal

Middle rectal

Uterine

Obturator

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5
Q

What vessels are supplied by the superior and inferior vesical arteries?

A

Bladder

Seminal vesicle

Prostate

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6
Q

What organs are supplied by the uterine artery?

A

Uterus

  • And branches to form vaginal artery
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7
Q

What organs are supplied by the middle and inferior rectal arteries?

A

Middle and distal 2/3rds of the rectum

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8
Q

What organs are supplied by the vaginal artery?

A

Vagina

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9
Q

What is the vaginal artery a branch of?

A

Uterine artery

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10
Q

What is supplied by the internal pudendal artery?

A

Perineum

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11
Q

What structures are supplied by the obturator artery?

A

Pelvic muscles

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12
Q

What are the 5 veins that make up the venous drainage of the pelvis?

A

Internal iliac

Superior rectal

Median sacral

Gonadal

Internal vertebral venous plexus

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13
Q

What part of the rectum drains into the portal circulation?

A

Proximal 1/3rd

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14
Q

What part of the rectum drains into systemic circulation?

A

Distal 2/3rds

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15
Q

What do the veins along the sides and base of the prostate join to form?

A

The prostatic venous plexus

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16
Q

What venous plexus does the prostatic venous plexus communicate with and why is it clinically significant?

A

Internal vertebral venous plexuses

  • Means cancer can spread to vertebral column and skull
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17
Q

What somatic nerve is responsible for supplying sensation to the skin at the root of the penis and the labia?

A

Ilioinguinal nerve

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18
Q

What is the course of the ilioinguinal nerve?

A

Originates at L1

Travels through the inguinal canal

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19
Q

What is the origin of the genitofemoral nerve?

A

L1-L2

20
Q

Where does the genitofemoral nerve enter the inguinal canal?

A

Deep inguinal ring

21
Q

What structures in the male are supplied by the genital branch of the genitofemoral nerve?

A

Cremaster muscle

Anterior scrotal skin

22
Q

What muscle does the genitofemoral nerve run along?

A

Psoas major

23
Q

What is the origin of the pudendal nerve?

A

Sacral plexus

24
Q

What is supplied by the pudendal nerve?

A

The skin and muscles of the perineum

25
Q

What vessel does the pudendal nerve run along with to reach the perineum?

A

Pudendal artery

26
Q

What are the root values of the pudendal nerve?

A

S2-S4

27
Q

What region does the pudendal nerve travel through and how can it be clinical taken advantage of?

A

The gluteul region

Bilateral pudendal nerve block for pain relief during childbirth

28
Q

What bony landmarks are used for a pudendal nerve block?

A

Ischial spine

Ischial tuberosity

29
Q

What is the SYMPATHETIC supply of the vas deferens, seminal vesicle, prostate and epididymis?

A

Hypogastric plexus

30
Q

What are the nerve roots of the SYMPATHETIC hypogastric plexus?

A

L1-L2

31
Q

What is the SYMPATHETIC supply of the female genital tract?

A

Pelvic and ovarian plexuses

32
Q

What is the PARASYMPATHETIC supply of both female and male erectile organs?

A

Pelvic splanchnic nerves via the hypogastric plexus

33
Q

What are the nerve roots of the pelvic splanchnic nerves?

A

S2, S3, S4

34
Q

What are the erectile structures in the male?

A

Corpus cavernosum

35
Q

What are the erectile structures in the female?

A

Labia minora

Clitoris

36
Q

Why are some men unable to ejaculate after rectal surgery?

A

Damage to the pudendal nerve

37
Q

What are the main groups of lymph nodes draining the pelvic cavity?

A

External iliac

Internal iliac

Sacral

Common iliac

38
Q

Where does the inguinal region drain?

A

External iliac

39
Q

Where does the penis drain?

A

External iliac

40
Q

Where does the prostate drain?

A

External iliac

41
Q

Where does the gluteul region drain?

A

Internal iliac

42
Q

Where does the deep perineum drain?

A

Internal iliac

43
Q

Where does the inferior pelvic viscera drain?

A

Internal iliac

44
Q

Where does the rectum drain?

A

Sacral

45
Q

Where does the posterior pelvic wall drain?

A

Sacral

46
Q

What do all the external and internal iliac and the sacral lymph nodes drain into?

A

Common iliac

Anatomy - Repro (9 decks)

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