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CR4 > Internal Male genetalia > Flashcards

Internal Male genetalia Flashcards

1
Q

Parietal vascia is contunies with what structures

A

Continum of ther Transversalis fascia of the abdomen wall and is continuous with the visceral fascia that reflects on to the pelvic organs

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2
Q

what fascia covers the obturator internus

A

parietalpelvic fascia

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3
Q

what fascia forms the thickened tendinous arch at the superior edge of the levator ani muscle

A

parietal pelvic fasciae

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4
Q

visceral part of the pelvic fascia is continous with

A

parietal part of the pelvic fascae

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5
Q

what ligament is formed by the visceral part of the pelvic fascia in males

A

puboprostatic ligament

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6
Q

puboprostatic ligament

A

formed from visceral fascia that forms a sling around the proximal sphincter and neck of bladder and attaches to the prostate to bone

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7
Q

endopelvic fascia

A

loose areolar layer, fatty tissue lymphatics and vessels that fills the gaps between parietal and visceral and the pelvic walls. Also foms septa between ogans

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8
Q

which teste is usually lower

A

left is usually lower than the right

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9
Q

scrotal ligament

A

attaches teste to scrotum and is a remnant of the gubernaculum

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10
Q

what fascial layer surrounds the teste

A

tunic albuginea

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11
Q

rete teste

A

collecting chamber to which the seminiferous tubules open into

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12
Q

what connects the rete teste to the epididymis

A

efferent ductules

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13
Q

epididymis is attached where on testes

A

posterior side of testis. Compacted into head, body, and tail

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14
Q

the tail of the epidymis is continuous with what structure

A

ductus/vas deferens

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15
Q

Testicular arteries course

A

branch off aorta just below the renal arteries and through the inguinal canal in the spermatic cord

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16
Q

left papiniform vein drains to

A

left renal vein

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17
Q

right papiniform vein drains to

A

inferior vena cava

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18
Q

lymphatic drainage of testes

A

follows veins to lumbar and preaortic lymph nodes to eventually reach cisterna chyli and throacic duct

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19
Q

where is the testicular plexus loacted

A

on the testicular artery - convey vagal parasympathetic, visceral afferent fibers, and sympathetic fibers from T10-T11 levels

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20
Q

internal spermatic fascia is derived from

A

transversalis fascia

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21
Q

cremasteric fascia is derived from

A

internal oblique muscle

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22
Q

external spermatic fascia derived from

A

external oblique muscle

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23
Q

contents of the inguinal canal

A

spermatic cord, ilioinguinal nerve, genital branch of genitofemoral nerve

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24
Q

contents of the spermatic cord

A

ductus /vas deferens, testicular artery, pampiniform plexus of veins, lymphatics, autonomic nerves to testis

25
Q

ductus deferens course

A

continuation of the epidydymis which then enters the abdominal cavity via the deep ring, crosses anterior to the iliac vessels to enter the pelvis remaining external to the peritoneum, crosses anterior to the ureterto reach the base of the bladder where it enlarges into ampulla of the ductus deferens

26
Q

relationship of the ampulla to the seminal vesicles

A

ampulla lies superior to the seminal vesicles then narrows into a duct to turn inferiorly and joins the duct of the seminal vesicle to form the ejaculatory duct

27
Q

ductus deferens crosses ___ to the ureter

A

anterior

28
Q

ductus deferens crosses ___ to the external iliac vessels

A

anterior

29
Q

what structures form the ejaculatory duct

A

ampulla of the ductus deferens and the seminal vesicle

30
Q

Dennoviller’s Fascia

A

Also called the retroprostatic fascia - separates the rectum from the bladder

31
Q

what structures are associated with the base of the bladder in males

A

2 ureters, 2 ductus deferens and 2 seminal vessicles. Separated from the rectum by Denonvilliers (retroprostatic fascia)

32
Q

what part of the bladder sits atop the prostate gland

A

the neck of the bladder

33
Q

boundaries of the trigone

A

triangular arrea formed by 2 openings fo the ureters and the internal orifice of the urethra

34
Q

Prostate: Periurethral zone

A

surrounds the prostate urethra

35
Q

Prostate: central zone

A

surrounds ejaculatory ducts. Along with periurethral and transition zones yielfs 20% of glandular tissue of prostate

36
Q

Prostate: Peripheral zone

A

70% of glandular tissue of the prostate, closest to the recutm (can be felt on rectal exam) 75% of prostatic tumors found within this zone

37
Q

in which prostate zone are most tumors found

A

75% are found in the peripheral zone

38
Q

Prostate Transition zone

A

5% mass at puberty then grows with age, 10-20% of prostate tumors originate in this zone

39
Q

Prostate: Anterior zone

A

about 10% of the glandular tissue of the prostate

40
Q

describe the features of the prostatic urethra

A

Urethral crest is found on the posterior surface srurrounded by prostatic sinus on both sides where prostatic ducts open into the urethra. Enlarges 2/3 of the distance down to form the seminal colliculus (mound) that has a bind opening in the center (utricle)

41
Q

where doe the ejaculatory ducts open into the urethra

A

inferolateral to the utricle on the seminal colliculus

42
Q

which portion of the urethra has the thinnest walls

A

membranous urethra

43
Q

what is the narrowest/least expandable part of the urethra

A

external urethral orifice

44
Q

bulbourethral (Cowpers glands)

A

embedded in the deep perioneal pouch lateral to the membranous urethra. Their associated ducts pass into the bulb of the penis to dump lubricating, pre-ejactulate into the spongy urethra

45
Q

what is the homolog of bulbourethral glands in females

A

greater vestibular glands in females

46
Q

Superior vesical arteries

A

branches off the umbilical artery to the superior surface of the bladder and some of the ductus deferens

47
Q

Middle vesical Arteries

A

called the deferntial artery to the ductus deferens that usually arise from the umbilical artery close to its origin

48
Q

Inferior Vesical Arteries

A

branches of internal iliac artery. Supply inferior aspect of the bladder, the prostate, seminal vesicvles, some ductus deferens and proximal urethral

49
Q

artery to the ductus deferens

A

comes from superior or inferior vesical artery from internal iliac artery

50
Q

generally, where do structures of internal male genetalia drain

A

to the vesical veous plexus or associated prostatic plexus - drains to internal ilaic veins which communicates with internal vertebral venous plexus through valveless channels

51
Q

venous drainage of ductus deferens

A

vesical venous plexus and testicular vein (papiniform plexus)

52
Q

lynphatic draingae of the superior portion of the bladder

A

exteral iliac nodes

53
Q

lymphatic drainage of the neck of the bladder

A

internal iliac nodes

54
Q

lymphatic drainage of te neck of the bladder

A

internal ilialc nodes

55
Q

lymphatic drainage of the seminal vessivels

A

internal iliac nodes

56
Q

lymphatic drainage of the prostate

A

internal iliac nodes

57
Q

parasympathetic innervation levels

A

S2-S4 (Pelvic Splanchnic Nerves)

58
Q

innervation of the prostate

A

prostatic plexus derived from inferior hypogastric plexus - innervation via sympathetic fibers

59
Q

innervatio of the bladder

A

Sympathetc through both hypogastric plexuses and nerves (sympathetic for ejaculation also stimulate sinternal urethral sphincter to stop reflux of semen into the bladder) Parasympathic through pelvic splanchnic nerves and inferior hypogastric plexus (motor to detrusor and inhibition to internal urethral sphincter)

CR4 (7 decks)

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