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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
Direct inguinal herniation
intestines push directly through the abdominal wall
26
Risks of inguinal herniation
infertility, hemorrhage, necrosis
27
Testes design flaw
can't make sperm if hot
28
Seminferous tubules produce
sperm and testosterone
29
rete testis reduces to form
epididymis
30
Testicular veins and arteries
vein wraps around artery to keep cool
31
Epididymis
- stores sperm and facilitates maturation | - recycles damaged/unused sperm
32
Vas deferens
carries maturing sperm to ejaculatory duct
33
Vasectomy
- transection of the ductus deferens | - prevents sperm from becoming part of the ejaculate
34
Testicular cancer
- less common than ovarian | - remove testicle
35
Variocele
- varicosity of the plexus | - may result in infertility
36
Testicular torsion
- distortion of tunica vaginalis | - spermatic cord twisted
37
Seminal vesicle
- liquefies semen | - secretes fructose to keep sperm alive
38
Prostate gland
- liquifies semen - counteracts the acidity of the vagina - exists as the paraurethral glands in females
39
Prostate hyperplasia
distorts floor of bladder = bladder feels full but cannot be fully emptied infection of static urine spreads into urinary tract
40
Carcinoma of the prostate gland
TURP procedure = trans-urethral resection of prostate
41
Brachytherapy
radioactive seed implantation
42
Bulbourethral gland
alkaline lubricative fluid
43
Scrotum
- evaporative cooler for testis | - pampiniform plexus, cremaster m
44
Pampiniform plexus
countercurrent heat exchange
45
cremaster muscle
encloses spermatic cord & scrotum
46
cremasteric reflex
temperature control
47
Penis
2 corpora cavernosa + 1 corpus spongiosum
48
How is each corpus attached to pubis?
via crus
49
Which muscle surrounds each crus?
ischiocavernosus m.
50
Corpus spongiosum
- expanded bulb at proximal end - bulbospongiosus m. surrounds bulb and corpus - contraction helps expel urine/semen from urethra
51
Deep fascia
binds corpora & muscles together
52
Prepuce
(foreskin) extends over the glans
53
Sperm pathway
Seminiferous tubules > efferent ducts > epididymis > ductus deferens > prostatic > membranous > penile urethrae > external urethral orifice
54
ductus deferens pathway
spermatic cord > inguinal canal > above and behind bladder > forms ampulla near ejaculatory duct
55
Ejaculatory duct =
ductus deferens + duct of seminal vesicle
56
gonads are develop from the same tissues as?
kidneys

Anatomy (12 decks)

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