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anatomy > male reproductive system > Flashcards

male reproductive system Flashcards

1
Q

what is the involuntary muscle of the scrotum?

A

the dartos which causes it to go wrinkly when it’s cold

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2
Q

where are the lymphatics of the scrotum?

A

superficial inguinal nodes

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3
Q

what is the blood supply to the testes?

A

the testicular artery from the abdominal aorta

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4
Q

what is the venous drainage of the testes?

A

right; inferior vena cava

left; renal vein

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5
Q

what is the clinical significance of the venous drainage being on the left side?

A
  • dilated veins/ varicocoele is more common on the left side due to travelling over
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6
Q

what is the lymphatic drainage of the testes?

A

lumbar and para-aortic nodes

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7
Q

what has the appearance of a ‘bag of worms’?

A

varicocoele

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8
Q

what is cryptorchidism?

A

undescended testes

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9
Q

what are the issues of cryptorchidism?

A

risk of malignancy
sub fertility
infection

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10
Q

where is sperm produced?

A

in the seminiferous tubules

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11
Q

what is epididymo-orchitis?

A
  • inflammation of the epididymis
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12
Q

what are the risks of epididymo-orchitis?

A
  • testicular atrophy

- obstruction of the epidymas

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13
Q

what are the arteries in the spermatic cord?

A
  • testicular
  • cremasteric
  • artery of the ductus deferons
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14
Q

in which part of the penis does the urethra travel?

A

the corpus spongiosum so it doesn’t shut off during erection

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15
Q

what three arteries supply the penis?

A

deep artery of the penis
dorsal artery
deep artery of the penis

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16
Q

what are the zones of the prostate?

A
  • central
  • peripheral
  • transitional
17
Q

which prostate zone is most involved with benign prostatic hyperplasia?

A
  • transitional
18
Q

what prostatic zone is most likely to be involved in carcinoma?

A

-peripheral

19
Q

what is the blood supply of the prostate gland?

A

the prostatic arteries from the internal iliac

20
Q

where does the prostatic vein drain to?

A

the prostatic venous plexus drains into internal iliac veins

21
Q

what is the lymph drainage of the prostate?

A

para aortic lymph nodes

22
Q

what do the seminal vesicles develop from?

A
  • outgrowth of the ductus deferons
23
Q

what are three parts of the urethra?

A

prostatic
membranous
spongiform

24
Q

what is the shortest part of the urethra?

A

membranous

25
Q

what part of the urethra is more likely to be injured during catheterisation?

A
  • membranous
26
Q

what are the covering of the testes?

A
  • skin (some)
  • dartos (damn)
  • external spermatic fascia (Englishman)
  • cromasta (called)
  • internal spermatic fascia (it)
  • tunica vaginalis (the)
  • testes
27
Q

what nerves cause erection?

A
  • parasympathetics S2-S4
28
Q

what nerves cause ejaculation?

A

– sympathetics T11-L2

29
Q

what is the blood supply of the scrotum?

A

femoral artery and perineal branch of the internal pudendal artery

30
Q

what is the nerve supply for the scrotum?

A

anter 1/3; ilio- inguinal and genital branch of genito-femoral
posterior; perineal nerve and femoral cutaneous

31
Q

where does the internal spermatic fascia arise from?

A

the transversalis fascia

32
Q

where does the cremaster muscle and fascia derive from?

A
  • internal oblique muscle
33
Q

where does the external spermatic fascia derive from?

A

external oblique muscle

34
Q

what are the three veins in the spermatic cord?

A
  • cremasteric
  • testicular
  • artery to ductus deferons
35
Q

at what level does the testicular artery arise?

A

L2

36
Q

what is the parasympathetic nerve supply to the testes?

A

from the pelvic splanchnic nerve

37
Q

what is the sympathetic supply to the testes?

A
  • lesser splanchnic nerve
38
Q

what attaches the seminal vesicle to the base of the bladder?

A

the recto-vesical septum

39
Q

what is the blood supply to the seminal vesicles?

A
  • inferior vesical artery

- middle vesical artery

anatomy (7 decks)

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