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Flashcards in MALE REPRODUCTIVE SYSTEM Deck (41)
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1
Q

parts of the urethra?

A
  • prostatic part
  • membranous part
  • spongy part (longest)
2
Q

endoscopic features to remember

A
  • membranous part run (ant & inf)
  • prostatic part (concave ant)
  • spongy part (inf & post) covered by erectile tissue
3
Q

blood supply of the penis? and where do they branch from?

A
  • 2x dorsalis artery
  • cavernous artery
  • bulbourethral artery
  • *** branch from the internal pudental artery
4
Q

venous drainage of the penis?

A
  • superficial dorsal vein

- deep dorsal vein (circumflex and emissary veins)

5
Q

characteristics of flacid state?

A
  • arteriole constricted
  • veins open
  • trabecular muscle contracted
  • low pressure in corpus cavernosum
  • sympathetic nervous system active
6
Q

characteristics of erect state?

A
  • arteriole are relaxed
  • veins occluded
  • trabecular smooth muscle relaxes
  • high pressure in corpus cavernosum
  • parasympathetic system active
7
Q

ejaculation process

A

1) contraction of reproductive ducts and release of their content
2) bulbospongiosus muscle contracts fast, semen released from urethra

8
Q

what is covered by the parietal peritoneum?

A
  • seminal vesicle
  • ductus deferens
  • prostate
  • superior surface of the urinary bladder
9
Q

what creates the rectovesical pouch? and where does it extend from?

A
  • parietal peritoneum

- post. wall of urinary bladder on to the ant. wall of the rectum

10
Q

what is the retrovesicle fold?

what does it consist of?

A
  • fold bordering the retrovesical pouch

- consist of peritoneal covering connective tissue and the inferior hypogastric nerve plexus

11
Q

arteries of the male reproductive organs?

and the branches from where they come from?

A
  • testicular a. (abdominal aorta)
  • cremasteric a. (inferior epigastric)
  • a. to the ductus deferns (umbilical artery)
  • internal pudental a. (internal iliac)
  • inf. vesicular a. (internal iliac)
  • middle rectal a. (internal iliac)
12
Q

blood supply of the testis?

and what do they supply

A
  • testicular a. (testis)
  • cremasteric a. (tunica of the testes)
  • branch of the pudental a. (scrotum)
13
Q

innervation of the testis?

A

celiac plxus
scrotal n.
genital branch of genito femoral n.

14
Q

the appendix of the testis is the remenance of?

A

mullerian duct

15
Q

the appendix of the epididymis is the remenance of?

A

mesenphros

16
Q

innervation of the epididymis?

A

celiac plexus

17
Q

blood supply of the epididymis?

A

branch of the testicular a.

18
Q

covering of the testis and epididymis from (deep to superficial)
and explain roughly each one

A
  • tunica viganlis (serous sheath, remenant of processous viginalis testis)
  • internal spermatic fascia ()
  • cremasteric fascia (fibers of the cremaster covering the ISF)
  • external spermatic fascia
  • dartos fascia (subcutaneous tissue of the scrotum, no fat, consist of conn. tissue and smooth m.)
19
Q

tell me all about the ductus deferens

A
  • continuation of the duct of epididymis
  • apulla of the ductusdeferns is a dilation of end of the ductus deferens
  • opens into ejaculatory duct, located int he prostatic urethra
20
Q

blood supply of the ductus deferens?

A

a. to the ductus deferens

21
Q

innervation of the ductus deferens?

A

inferior hypogastic nerve plexus

22
Q

where does the spermatic cord extend to?

A

from the deep inguinal ring trough the superficial inguinal ring, (the upper posterior part of the testis)

23
Q

what are the coverings of the spermatic cord?

A
  • external spermatic fascia
  • cremasteric fascia
  • internal spermatic fascia
24
Q

contents of the spermatic cord

A
  • testicular artery
  • a. of the ductus deferens
  • cremasteric a.
  • genital branch of the genito femoral nerve
  • testicular sympathetic plexuses
  • pampiniform plexus
  • lymphatic vessels
  • ductus deferens
25
Q

the seminal vesicle…..

A
  • lies on the post. surface of the urinary bladder, lateral to the ampulla of the ductus deferens
  • only their lateral, uppermost portion is covered by parietal peritoneum
26
Q

where do the secretory ducts of the seminal vesicle open

A

-at the level of the prostatic urethra into the ejaculatory duct

27
Q

blood supply of the seminal vesicle?

A

inferior vesical a.
a. to the ductus deferens
middle rectal a.

28
Q

innervation of the seminal vesicle?

A

inferior hypogastric nerve plexus

29
Q

the prostate located….

A
  • below the urinary bladder, between the pubic symphisis and rectum
  • base of prostate fused with the fundus of the urinary bladder
  • the apex of the prostate faces the urogenital diaphragm
  • penetrated by the initial portion of the male urethra and the ejaculatory duct
30
Q

blood supply of the prostate

A
  • br. of internal pudendal a.
  • inf.vesicular a.
  • middle rectal a.
31
Q

innervation of the prostate

A

inferior hypogastric nerve plexus

32
Q

what is the penis composed of?

A
  • 2 x corpus cavernosum bodies

- corpus spongiosum (surrounds the urethra)

33
Q

penis is divided in to?

A

root and body

34
Q

origin of the root of the penis?

A

inferior pubic rammi, by the r. and l. cura of the penis

35
Q

what is the cura of the penis and what is it surrounded by?

A

the extensions of the corpus cavernosum, surrounded by the ischiocavernosus muscle

36
Q

what is the bulb of the penis?

A

thickened end of the corpus spongiosum, between the two cura’s and is covered by the bulbospongiosus muscle

37
Q

what is the fundiform ligament of the penis?

A
  • band of elastic tissue of the subcutaneous tissue that extends from the linea alba to the pubic symphisis,
  • surrounds the penis before attaching to the fascia of the penis
38
Q

what is the suspensory ligament?

A

a ligament connecting the anterior surface of the pubic spymphisis and the junction between the root and body of the penis

39
Q

what is the penis covered with?

A

thin skin with no fat and covered by:

  • subcutaneous tissue of the penis
  • prepuce of the penis/foreskin (folds of skin no fat covers the glans penis)
  • frenulum of the prepuce (skin connecting the inferior aspect of glans penis to the prepuce of the penis)
40
Q

arterial supply of the penis

A
  • dorsal a. of the penis
  • deep a. of the penis
  • a. of the bulb of the penis
41
Q

innervation of the penis

A
  • pudendal n.
  • inf. hypogastric n. plexus
  • pelvic splanchnic n.