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MD3002 post MSA > Pelvis 1 testis, epididymis spermatic cord > Flashcards

Pelvis 1 testis, epididymis spermatic cord Flashcards

(57 cards)

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1
Q

where do the testes migrate

A

from posterior abdominal wall through the anterior abdominal wall into the scrotum

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2
Q

what do the testes take when they migrate

A

vas, testicular vessels, peritoneal pouch (processus vaginalis) which becomes the tunica vaginalis

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3
Q

what structure shrinks in order to draw the testes down the posterior abdominal wall to the inguinal canal and through the canal

A

gubernaculum

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4
Q

what is cryptochidism

A

failure of descent

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5
Q

what happens if the processus vaginalis remains open

A

indirect inguinal hernia aka hydrocele

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6
Q

what is the female equivalent of the spermatic cord

A

round ligament which travels in the inguinal canal

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7
Q

what does the inguinal canal contaiun

A

spermatic cord or round ligament, ilioinguinal nerve and genital branch of the genital femoral nerve

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8
Q

what makes up the cremasteric (middle) fascia and muscle

A

transversus abdominis and internal oblique

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9
Q

what forms the external spermatic fascia

A

external oblique

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10
Q

what vessels are found in the spermatic cord

A

testicular artery and pampiniform plexus
artery to vas
cremasteric artery

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11
Q

what tubes are found in the spermatic cord

A

vas, lymph vessels and processus vaginalis

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12
Q

what nerves are found in the spermatic cord

A

genital branch of the genitofemoral nerve
sympathetic
ilioinguinal

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13
Q

where does the testicular artery branch from

A

aorta at L2

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14
Q

where does the pampiniform plexus of veins drain to

A

left to left renal

right to IVC

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15
Q

what does the vas artery branch from

A

inferior vesical

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16
Q

what does the cremasteric artery come from

A

inferior epigastric

supplies cremasteric fascia and muscle

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17
Q

where does testicular lymph drain

A

para aortic nodes

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18
Q

what is the cremaster reflex

A

ipsilateral testicular retraction on stroking the upper medial thigh

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19
Q

what nerve supplies the cremasteric reflex

A

L1 cremaster reflex

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20
Q

what splanchnic nerve supplies the sympathetic to testes

A

lesser splanchnic -T10-11

so referred pain is peri umbilical

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21
Q

what is value of the ilioinguinal nerve

A

L1 to medial thigh

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22
Q

what type of hernia is lateral to the inferior epigastric vessels

A

indirect inguinal

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23
Q

what muscle is found in the scrotum

Study These Flashcards
A

dartos
smooth muscle
sympathetic fibres in gen branch of genfem

24
Q

what are the layers of the scrotum

Study These Flashcards
A

tunical vaginalis (visceral and parietal)
internal, cremasteric and external spermatic fascia
dartos fascia
(colles fascia + dartos muscle from campers)
skin

25
what is camper's fascia replaced by
dartos muscle in the scrotum
26
what does scarpa's fascia become
colles'. fuses with fascia lata of the thigh below the inguinal ligament and also with the perineal body
27
what is the perineal body
central tendon of the perineum, fibromuscular mass between the UG triangle and anal triangle
28
what is the nerve supply of the anterior third of the scrotum
ilioinguinal and genfem | L1
29
what is the nerve supply of the posterior 2/3rds of the scrotum
scrotal branches of the perineal branches of the pudendal nerve S2 and 3
30
what is the blood supply of the anterior scrotum
deep and superficial external pudendal branches of the femoral artery
31
what is the blood supply of the posterior testes
branches of the internal pudundal branches of the internal pudendal branch of the internal iliac posteriorly
32
what is the venous drainage of the anterior scrotum
deep and superficial external pudendal veins to the great saphenous vein
33
what is the posterior scrotum venous drainage
internal pudendal veins
34
what is the lymph drainage of the scrotum
superficial inguinal nodes
35
describe the oblique lie of the testicle
upper pole is ant-lat, lower pole is post-med
36
where is the epididymis
post lat and vas is post med
37
how long is the epididymis
6m
38
how does the testicle rotate in testicular torsion
around the pedicle
39
what is the function of the tunica albuginea
maintains internal pressure to help transport of sperm
40
what is the appendix epididymis
a remnant of the proximal end of the mesonephric duct
41
what is appendix testis and prostatic utricle
remnant of the paramesonephric duct
42
what structure forms the mediastinum and septae
albuginea
43
what does the vasculosa contain
branches of the testicular vessels
44
where is testicular referred pain
periumbilical
45
how long is the vas
45 cm
46
describe the course of the vas
posterior to the testis and medial to the epididymis, it leaves the scrotum and passes through the abdominal wall within the spermatic cord in the inguinal canal. it emerges into the abdomen lateral to the inferior epigastric artery and then lies on the lateral wall of the pelvis medial to the pelvic vessels, before turning medially to pass anteromedial to the ureter in front of the rectum and join with the duct from the seminal vesicle to form the ejaculatory duct that passes through the prostate and into the urethra
47
what sphincter contracts at ejaculation in order to prevent backflow of semen
internal
48
where are the seminal vesicles
lie just above the prostate gland, sandwiched between the bladder and the rectum
49
what forms the ejaculatory duct
the vas and the seminal vesicle | it passes through the prostate and combines with the urethra
50
what sphincter contracts during ejaculation
the internal sphincter
51
where are the openings of the ejaculatory ducts
just below the prostatic utricle on either side
52
what is the veru montanum
the raised part of the prostatic urethra which serves as a landmark for the openings of the ejaculatory ducts
53
what are the branches of the pudendal nerve
inferior rectal nerve perineal nerve dorsal nerve of penis or clitoris
54
describe the blood and nervous supply to the posterior scrotum
blood- internal pudendal branch of the femoral artery | nerve- scrotal branch of the perineal branch of the pudendal nerve, S2 and 3
55
describe the blood and nervous supply to the anterior scrotum
blood- external pudendal from femoral artery | nerve- ilioinguinal and gen fem L1
56
why is testicular pain referred peri umbilically
lesser splanchnic nerve supply from T10-11
57
what are the origins of the layers of the scrotum
``` dartos- subcutaneous tissue ext. sper. fascia - external oblique cremasteric- internal oblique int. sperm. fascia- trans. abdo tunica vaginalis - peritoneum ```

MD3002 post MSA (66 decks)

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