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Repro HK > ANATOMY 2 > Flashcards

ANATOMY 2 Flashcards

1
Q

where is internal urethral orifice (male)

A

between bladder and urethra

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2
Q

when does internal urethral orifice contract

A

during ejaculation to prevent retrograde ejaculation

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3
Q

internal urethral sphincter is volantar/involuntary

A

involuntary

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4
Q

external urethral sphincter is voluntary/involuntary

A

voluntary

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5
Q

where is prostate situated

A

immediately inferior to bladder

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6
Q

what is urethra called when in prostate

A

prostatic urethra

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7
Q

what is below prostate

A

levator ani

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8
Q

what is urethra called when in corpus spongiosum

A

spongy urethra

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9
Q

what pouch is in male pelvis

A

rectovesicle pouch

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10
Q

where do testes originate

A

posterior wall of abdominal cavity

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11
Q

where are testes situated when born

A

scrotum

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12
Q

what do testes pass through in their descent to scrotum

A

anterior abdominal wall and inguinal canal

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13
Q

what structures are contained in spermatic cord

A 
testicular artery
pampiniform plexus (spermatic vein)
vas deferens 
lymphatics
nerves
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14
Q

what is the conjoint tendon

A

medial end of combined aponeurses of internal oblique and transversus abdominis muscles

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15
Q

what does conjoint tendon do

A

anchors the muscles inferiorly to pubic bone

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16
Q

what fascia covers spermatic cord

A

internal spermatic fascia
cremasteric fascia
external spermatic fascia

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17
Q

what covers testes in scrotum

A

tunica vaginalis

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18
Q

condition of too much fluid in tunica vaginalis

A

hydrocele

19
Q

where is sperm produced

A

seminiferous tubules

20
Q

what muscle in scrotum keeps testes at optimum temperature for spermatogenesis (1 degree below normal)

A

dartos muscle

21
Q

normal length and volume of testes

A

5cm length

12-25ml volume

22
Q

where does sperm go after seminiferous tubules

A

rete testes (posterior)

23
Q

route of sperm from rete testes

A

head then tail of epididymis
vas deferens (up spermatic cord)
through deep inguinal ring and inguinal canal
become right and left ejaculatory ducts after seminal glands
combine to make prostatic urethra
spongy urethra

24
Q

arterial supply to testes

A

lateral branches of abdominal aorta

25
Q

where does left testicular vein drain to

A

left renal vein

26
Q

where does right testicular vein drain to

A

IVC

27
Q

where are seminal glands

A

posterior surface of bladder, above prostate

28
Q

what do seminal glands secrete

A

fructose (energise sperm)

29
Q

where are bulbourethral glands and what do they do

A

below prostate

secrete mucus to lubricate urethra and neutralise acidity

30
Q

what happens in a vasectomy

A

vas deferens is transected in scrotum

31
Q

what is anatomical position of penis

A

erect

32
Q

head of penis is called what

A

glans penis

33
Q

what is swelling of glans penis and what can is be due to

A

paraphimosis

due to retraction of prepuce constricting neck of glans

34
Q

what is ridge running from anus to glans penis

A

raphe (scrotal and penile)

35
Q

what is root of penis attached to

A

ischium

36
Q

what are the 3 cylinders of erectile tissue in penis

A 
corpus cavernosum (right and left) - posterior
corpus spongiosum - anterior
37
Q

what do the corpus cavernosums contain

A

deep arteries of penis

38
Q

where is superficial perineal pouch

A

below perineal membrane

39
Q

what makes up root of penis

A

bulb (corpus spongiosum, crura, cavernosum)

40
Q

what muscles are associated with superficial perineal pouch (male)

A

bulbospongiusus (along penis)
ischiocaernosus (from ischium, jouns to bulbospongiousus)
superficial transverse perineal muscle (from inferior ischium, joins to anal sphincter)

41
Q

arterial supply to penis

A

deep arteries of penis
from internal pudendal
from internal iliav

42
Q

arterial supply to scrotum

A

internal pudendal artery and branches of external iliac

43
Q

where does lymph from scrotum and most of penis drain

A

superficial inguinal nodes

44
Q

where does lymph from testes drain

A

lumbar/para-aortic nodes

Repro HK (37 decks)

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