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CAPS 391 > Lecture 30. Urinary System + Male Reproductive system > Flashcards

Lecture 30. Urinary System + Male Reproductive system Flashcards

1
Q

What are the 4 parts of the urethra

A
  1. preprostatic urethra
  2. prostatic urethra
  3. membranous urethra
  4. spongy urethra
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2
Q

What is the preprostatic urethra

A

it starts from the internal urethral orifice and passes through the neck of the bladder
only in males it is covered by the internal urethral sphincter

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3
Q

Describe the prostatic urethra

A

passes through the prostate gland
widest part of the urethra
the prostatic and ejaculatory ducts open to this part of the urethra

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4
Q

Describe the membranous urethra

A

Narrowest and shortest part of the urethra

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5
Q

Describe the spongy (penile urethra)

A

longest part of the urethra
passes through the bulb and spongiosum of the penis
ends at the external urethral orifice
bulbourethral glands open in the spongy urethra

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6
Q

Where is the internal urethral sphincter located ( which urethra section)

A

PREPROSTATIC urethra

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7
Q

Where is the external urethral sphincter located ( which urethra section)

A

membranous urethra

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8
Q

Why do women get bladder infections more easily

A

shorter urethra

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9
Q

What is the position of the female urethra

A

embedded into the anterior wall to the vagina

-at the perineal muscle

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10
Q

What is the glandthat secretes a lubricant and changes the pH of the female urethra

A

periurethral gland

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11
Q

What composes the male reproductive system

A

testes, ducts ( epididymis , ductus deferens, ejaculatory duct) , accessory sex glands (seminal vesicles, prostate and bulbourethral gland) and penis + scrotun

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12
Q

What combines to form the ejaculatory duct

A

vas deferens and seminal vesicle’s duct

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13
Q

where does the ejaculatory duct open to

A

prostatic urethra

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14
Q

Where is the bulbourethral gland located

A

perineal muscle

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15
Q

describe the relation of the vas deferens with the bladder

A

it is located near the sides of the urinary bladder and the base ( posterior) end of the urinary bladder

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16
Q

What is the rectalvesical pouch

A

between the rectum and the bladder, deepest part of the peritoneum cavity in males

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17
Q

Are testes glands?

A

yes

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18
Q

How many surfaces, border and poles does the testes have

A

2 surface: lateral and medial
2 borders: anterior and posterior
2 poles: superior and inferior

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19
Q

when the testes finishes it’s migration, what covers it, what does it leave behind

A

covers:3 layers of muscle,

leaves behind: inguinal canal (muscular tunnel)

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20
Q

What is the tunica albuginea

A

fibrous capsule that surrounds the testis and it gives rise to the septum that enters the testes and divides the testes into lobules

21
Q

What is found in the lobules of the testes

A

seminiferous tubule

22
Q

What does the seminiferous tubule do?

A

produces sperms and delivers them to the epididymis

23
Q

How do we divide the epdidymis

A

head, body and tail, attached to the superior, posterior and inferior part of testes

24
Q

functio of epididymis

A

maturation of the sperm

25
Q

How long for sperm maturation

A

64 days

26
Q

Which part of the epididymis receives the sperm from the seminiferous tubule

A

head of epididymis

27
Q

Which part of the epididymis gives the sperm to the ductus deferens

A

tail of epididymis

28
Q

what is the course of the ductus deferens

A

it starts from the tail of the epididymis and ascends through the spermatic cord and ends at the base of the posterior surface of the bladder. enters the pelvic cavity

29
Q

What is the spermatic corde

A

it is the layer of 3 muscles that surround the ductus deferens, testicular vessel, nerve and lymphatics

30
Q

What is the dilation of the ductus deferens after it passes over the ureter

A

ampulla

31
Q

What does the ampulla connect to form the ejaculatory duct

A

ducts of the seminal vesicle

32
Q

Where is the start of the ejaculatory duct contained within

A

prostate gland

33
Q

What is the function of the bulbourethral gland

A

secretes fluid for sexual arousal - changes pH +lubricates

34
Q

function of the seminal vesicle

A

secretes most fluid of the semen, nourishes the sperm

35
Q

where does the bulbourethral glands open to

A

penile urethra

36
Q

what are the 2 parts of the penis

A

root and body

37
Q

what forms the root of the penis

A

3 erectile tissue (2 crura [crux of penis] and 1 bulb)

38
Q

where do the crux of penis attach to

A

ischiopubic ramus - provide support for the penis

39
Q

Where does the bulb of penis attach to

A

attaches to interior surface of the inferior surface of perineal muscle

40
Q

what is the continuation of the crux within the shaft

A

corpus cavernosa

41
Q

What is the continuation of the bulb within the shaft of the penis

A

corpus spongiosum

42
Q

what is the position of the corpora cavernosa and corpus spongiosium of the penis

A

corpora cavernosa: posterior aspect of the penis

corpus spongiosium: anterior aspect of the penis

43
Q

What happens the the corpus spongiosum become at the end of the shaft

A

enlargens to form the glans of penis and it covers the ends of the corpora cavernosa

44
Q

What covers the 3 erectile tissues of the shaft of the penis

A

tunica albuginea

45
Q

what is the function of the tunica albuginea of the testes

A

maintains the pressure of the penis as blood is pumped into it -maintains the erection

46
Q

What covers the glans of the penis

A

prepuce: double layer of skin

47
Q

function of ischiocavernosus

A

squeezes the crux of penis to the ischiopubic ramus (against this bone) drains the blood and maintains erection

48
Q

function of bulbospongiosus

A

squeezes the bulb ( passage of the urethra) helps drain last drops of urine

CAPS 391 (33 decks)

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