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Anatomy > Chapter 26 Male Reproductive System > Flashcards

Chapter 26 Male Reproductive System Flashcards

1
Q

Pelvic girdle

A

ilium, ischium, pubis, sacrum, coccyx

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2
Q

Pubic symphysis cartilage?

A

fibrocartilage

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3
Q

Sacroiliac joint cartilage?

A

synovial

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4
Q

False pelvis

A

bowel, full bladder, pregnant uterus

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5
Q

True pelvis

A

colon, bladder, vagina/uterus

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6
Q

external iliac arteries

A

don’t supply pelvic contents

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7
Q

internal iliac arteries

A

visceral branches to bladder, uterus, vagina, rectum

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8
Q

Hemorrhoids

A

varices of the rectal veins

-formed after prolonged pressure on rectal walls

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9
Q

Pelvic diaphragm

A
  • voluntary control (pudendal nerve)
  • includes and stabilizes GI/UG external sphincters
  • easily injured
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10
Q

Kegel exercises

A

tones pelvic floor muscles, relieves many urinary difficulties, eases birthing process

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11
Q

Somatic motor

A

contraction the pelvic floor

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12
Q

Somatic sensory

A

cervix, vagina, skin of perineum, external genitalia

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13
Q

Pelvic parasympathetic n.s.

A
  • peristalsis: descending colon > rectum

- dilation of blood vessels in erectile tissues

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14
Q

Sacral sympathetic n.s.

A
  • reduce peristalsis and contract internal urethral sphincter
  • initiate ejaculation, reflexive contraction of pelvic floor
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15
Q

Pudendum

A

external genital organs

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16
Q

Perineum

A

space below pelvic diaphragm

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17
Q

Meiosis

A

formation of haploid cells (gametes)

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18
Q

Descent of the gonads

A
  1. develop high in abdominal cavity
  2. gonads drag arteries/ veins into pelvis (@ 6-10 weeks) 28 weeks
  3. testicles continue through the inguinal canal into scrotum
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19
Q

Spermatic cord

A

testicular NAVL + ductus deferens

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20
Q

Processus vaginalis

A

pocket of peritoneum (body cavity)

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21
Q

tunica vaginalis

A

peritoneum on surface of testes

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22
Q

gubernaculum

A

tethers gonads to perineum

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23
Q

inguinal canal

A
  • passes obliquely

- contents: spermatic cord (males) and round ligament (females)

24
Q

Indirect inguinal herniation

A

intestines extrude out through the canal

25
Q

Direct inguinal herniation

A

intestines push directly through the abdominal wall

26
Q

Risks of inguinal herniation

A

infertility, hemorrhage, necrosis

27
Q

Testes design flaw

A

can’t make sperm if hot

28
Q

Seminferous tubules produce

A

sperm and testosterone

29
Q

rete testis reduces to form

A

epididymis

30
Q

Testicular veins and arteries

A

vein wraps around artery to keep cool

31
Q

Epididymis

A
  • stores sperm and facilitates maturation

- recycles damaged/unused sperm

32
Q

Vas deferens

A

carries maturing sperm to ejaculatory duct

33
Q

Vasectomy

A
  • transection of the ductus deferens

- prevents sperm from becoming part of the ejaculate

34
Q

Testicular cancer

A
  • less common than ovarian

- remove testicle

35
Q

Variocele

A
  • varicosity of the plexus

- may result in infertility

36
Q

Testicular torsion

A
  • distortion of tunica vaginalis

- spermatic cord twisted

37
Q

Seminal vesicle

A
  • liquefies semen

- secretes fructose to keep sperm alive

38
Q

Prostate gland

A
  • liquifies semen
  • counteracts the acidity of the vagina
  • exists as the paraurethral glands in females
39
Q

Prostate hyperplasia

A

distorts floor of bladder = bladder feels full but cannot be fully emptied
infection of static urine spreads into urinary tract

40
Q

Carcinoma of the prostate gland

A

TURP procedure = trans-urethral resection of prostate

41
Q

Brachytherapy

A

radioactive seed implantation

42
Q

Bulbourethral gland

A

alkaline lubricative fluid

43
Q

Scrotum

A
  • evaporative cooler for testis

- pampiniform plexus, cremaster m

44
Q

Pampiniform plexus

A

countercurrent heat exchange

45
Q

cremaster muscle

A

encloses spermatic cord & scrotum

46
Q

cremasteric reflex

A

temperature control

47
Q

Penis

A

2 corpora cavernosa + 1 corpus spongiosum

48
Q

How is each corpus attached to pubis?

A

via crus

49
Q

Which muscle surrounds each crus?

A

ischiocavernosus m.

50
Q

Corpus spongiosum

A
  • expanded bulb at proximal end
  • bulbospongiosus m. surrounds bulb and corpus
  • contraction helps expel urine/semen from urethra
51
Q

Deep fascia

A

binds corpora & muscles together

52
Q

Prepuce

A

(foreskin) extends over the glans

53
Q

Sperm pathway

A

Seminiferous tubules > efferent ducts > epididymis > ductus deferens > prostatic > membranous > penile urethrae > external urethral orifice

54
Q

ductus deferens pathway

A

spermatic cord > inguinal canal > above and behind bladder > forms ampulla near ejaculatory duct

55
Q

Ejaculatory duct =

A

ductus deferens + duct of seminal vesicle

56
Q

gonads are develop from the same tissues as?

A

kidneys

Anatomy (12 decks)

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