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Urology And Reproductive Systems SF5 > Male Reproductive System > Flashcards

Male Reproductive System Flashcards

1
Q

where does spermatogenesis occur

A

Seminiferous tubule (in the epithelium)

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2
Q

where does sperm drain immediately after production

A

Rete

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3
Q

what duct wraps around the testicles
and describe the passage of sperm through it

A

epididymis
head to body to tail (then to deferent duct)

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4
Q

what duct joins to the epididymis

A

deferent (spermatic)

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5
Q

which cells secrete testosterone

A

Leydig cells

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6
Q

what is the function of Sertoli cells?

A

control the environment within seminiferous tubules and support them

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7
Q

name the fascia surrounding the testes

A

Tunica Albuginea

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8
Q

what is the double layered peritoneum ontop of the testes

A

tunica vaginalis and tunica albuginea

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9
Q

where do the testes pass to move from the abdomen to the scrotum

A

inguinal cavity

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10
Q

how do testes move through the inguinal cavity

A

pulled by the gubernaculum ligament

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11
Q

name some issues if the testes remain in the abdomen

A

tortion
neoplasia due to high temperature

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12
Q

what issue may the potential space between the layered peritoneum in the testes create

A

an inguinal hernia

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13
Q

what is the venous plexus in the testes called

A

pampiniform plexus

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14
Q

what vascularises the testes

A

testicular artery - branch of the abdominal aorta

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15
Q

how may the testes be kept cool

A

venous exchange in the pampiform plexus - veins wrap around artery to cool blood as it enters the testes

sweat glands

being outside the body

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16
Q

how are testes kept warm

A

cremaster muscle contracts to pull testes close to the body
Dartos muscle reduces exposed surface

17
Q

what is the spermatic cord

A

collection of arteries, veins, nerves, lymph vessels, deferent duct, peritoneum

18
Q

what is the function of Spermatic fascia

A

binds elements of the spermatic duct together

19
Q

where is the cremaster muscle

A

alongside the spermatic fascia

20
Q

what accessory gland lies at the end of the deferent duct

A

Ampulla

21
Q

what accessory gland lies near the opening of the deferent duct

A

Vesicular

22
Q

what accessory gland is composed of the body and disseminate part

A

prostate

23
Q

what accessory gland lies near the urethra exit

A

bulbourethral

24
Q

which animals have an ampulla duct

A

ruminants, horses, dogs

25
Q

which animals have a vesicular

A

ruminants, horses, pigs

26
Q

which domestic animal doesn’t have a bulbourethral duct

A

dogs

27
Q

what is the function of the prepuce

A

prevent the penis from trauma and drying

28
Q

where does the penis originate

A

the ischial arch

29
Q

what is the corpus cavernosum

A

tissue within the penis main body

30
Q

what tissue runs along the corpus cavernosum and surrounds the urethra

A

corpus spongiosum

31
Q

what type of penis do dogs have, and how does it function

A

musculocavernous

erection due to large volumes of blood in corpus cavernosum and spongiosum

32
Q

what type of penis do ruminants and pigs have, and how do they function

A

fibroelastic

elongate by the relaxation of the retractor penis muscle, causing the sigmoid flexure to straighten

33
Q

what is a penis bone called

A

Baculum

34
Q

what is the copulatory lock

A

2nd stage of copulation in dogs, male and female stand back to back, glan swells before ejaculation, cannot be separated.

35
Q

which muscle is responsible for the expulsion of urethral contents

A

bulbospongiosus

36
Q

which muscle blocks venous return from corpus cavernosum

A

ischiocavernosi

37
Q

what vascularises the penis

A

branches of the internal pudendal artery

38
Q

what innervates the penis

A

pudendal nerve
pelvic nerve
hypogastric nerve

Urology And Reproductive Systems SF5 (15 decks)

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