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Gross Anatomy > Male Reproductive System > Flashcards

Male Reproductive System Flashcards

1
Q

__What makes up the pelvic inlet?

A

pubic symphysis to the sacral promontory

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2
Q

What is the ala of the ilium?

A

flared part.

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3
Q

Where are subperitonleal organs?

A

beneath the pelvic peritoneum.

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4
Q

What muscles make up the pelvic diaphragm?

A

Levator ani and coccygeus muscles.

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5
Q

What is the urogenital hiatua?

A

opening between the right and left side of pelvic diaphragm which the urethra passes through.

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6
Q

What is the function of the puborectalis muscle?

A

Pull the rectum anterior to help with continence.

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7
Q

What forms the puboprostaticus muscle?

A

The pubococcygeus muscle.

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8
Q

What is the region between the urogenital membrane and the anal membrane?

A

Perineum.

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9
Q

What is the anterior portion of the cloacal fold called when the perineum is created? Posterior?

A

Urogenital and Anal respectively.

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10
Q

What are the layers of scrotum up to spermatic fascia?

A

Skin, dartos muscle, parietal layer of tunica vaginalis.

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11
Q

What is the tunica albuginea?

A

think layer of connective tissue covering the testis.

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12
Q

What is the mediastinum testis?

A

Posterior thickening of the tunica albuginea that penetrate into the testis and subdivede it into lobules.

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13
Q

What is contained in a testis lobule?

A

1-4 seminiferous tubules and cells that produce spermatozoa and Interstitial cells of leydig which produce testosterone.

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14
Q

What is the epididymis?

A

Tightly coiled tube that is the site of maturation and store of the sperm.

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15
Q

What is the Ductus/Vas Deferens?

A

tube transmitting sperm from the epididymis do the ejaculatory duct.

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16
Q

What are the contents of the spermatic cord?

A

Vas deferense and it’s artery, testiscular artery covered in pampiniform plexus, lymphatics, plexi of the autonomic nerves (sympathetic T10-T11), Genital branch of genitofamoral and cremasteric artery.

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17
Q

What are the coverings of the spermatic cord?

A

External spermatic fascia, cremaster muscle, and internal spermatic fascia.

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18
Q

What do crus of the penis attack to?

A

Ischiopubic rami.

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19
Q

What covers the crus of the penis?

A

Ishiocavernous muscle.

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20
Q

What are the crura continuous with?

A

Corpora cavernosa.

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21
Q

What is the bulb of the penis?

A

base of the corpus spngiosum with is covered by the bulbospongiosus muscle and transmits the urethra.

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22
Q

What covers the corpora cavernosa and corpus spongiosum?

A

Buck’s fascia.

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23
Q

What is the suspensory ligament of the penis?

A

deep fascia from pubic symphysis that slpits to sling the transitional ara from root and body of penis.

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24
Q

What is the Fundiform ligament?

A

Subcutaneous connective tissue from the linea alba, splits around the penis and terminates in scrotal septum.

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25
Q

What is the external urethral meatus orific?

A

Urethra opening in the glans penis.

26
Q

What level dothe testicular artier arise?

A

L2

27
Q

Where do the testicular veins drain?

A

left to renal vein, right to IVC.

28
Q

What is the lymph drainage of the penis?

A

follow testicular artiers to para-aortic or lumbar lymph nodes (L1).

29
Q

What is the blood supply to the scrotum?

A

anterior to external pudendal artery and vein, both going to/from vemoral. Posterior from internal pudendal artery.

30
Q

What is the lymph drainage of the scrotum?

A

superficial inguinal nodes.

31
Q

What are the terminal branches of the internal pudendal artery to the penis?

A

Deep dorsal arteries, deep central arteries.

32
Q

Where are the deep dorsal arteries of the penis?

A

Lateral to the central dorsal vein to supply the spin, erectile tissue and penile urethra.

33
Q

Where are the deep central arteries of the penis?

A

Center of corpora cavernosa to supply the helicine arteries.

34
Q

What are the helicine arteries?

A

branches of deep central artereis that open into the corpora cavernosa during erection.

35
Q

What is the venous drainage of the penis?

A

Deep dorsal vein receive return from corpora cavernosa, it passes under arcuate ligament above the tranverse ligament of perinum and drain into prostatic venous plexus, vesicle plexus and terminating in internal iliac veins.

36
Q

What is the lymph drainage of the penis?

A

Substance of penis to internal iliac nodes, skin glands and distal urethra to inguinal nodes.

37
Q

What is Denonviller’s fascia?

A

think fibromusclar layer of connective tissue which separate the seminal vesicles from the rectum. Continuous with strome of prostate.

38
Q

What do the Seminal vesicles secrete?

A

Fructose, prostaglandins, ascorbic acid, simpl sugars and amino acids.

39
Q

What are the parts of the prostate?

A

Base, Apex, Isthmus, posterior, right left and middle lobes.

40
Q

What is the base of the prostate?

A

part at neck of bladder inferior to internal sphincter of the urethra.

41
Q

What is the apex of the prostate?

A

part superior to external spinchter of urethra.

42
Q

What is the Isthumus (antierior muscular zone or anterior lobe) of the prostate?

A

Made of muscle and continous with external sphincter and anterior to urethra.

43
Q

What is the posterior surface of the prostate?

A

part in front of ampulla of rectum.

44
Q

What are the right and left lobes of the prostate?

A

Peripheral zones divded into 4 lobules.

45
Q

What is the importants of the inferoposterior lobule of the prostate?

A

palpable upon rectal examination.

46
Q

What is the importants of the middle lobule of the prostate?

A

Benign prostate hypertrophy happens here encroaching on uvula of bladder making it difficult to urinate.

47
Q

What is the urethral crest?

A

centrally located ridge in prostatic urethra on posterior wall which has the colliculus seminalis.

48
Q

What is the utricle?

A

Small blind pouch in middle of colliculus which marks the opening of the ejaculatory ducts on either side.

49
Q

What are prostastic sinus?

A

depressions flanking the right and left side of urethral crest where 30-50 tubuloalveolar gland ducts open to drain the prostate.

50
Q

Where are the pulbourethral glands?

A

either side membranous urethra which secrets to libricate the spongy urethra. Bulb.

51
Q

What does the prostate secrete?

A

citric acid, acid phophatase, fibrolysin, zinc and serum protease (prostate specific antigen). Promoting sperm motility and fertility.

52
Q

What does increase levels of PSA (prostate specific antigen indicate?

A

Prostate carcinoma but it is not definitive.

53
Q

What does the artery of the ductus defense do?

A

Other than the obvious supplies blood to ejactulatory duct. It is a branch of the superior vesicle artery.

54
Q

What is the venous drainage of the ductus defernse?

A

Prostatic, vesicle and pampiniform plexis.

55
Q

What supplies blood to the seminal vesicles?

A

Middle rectal and inferior vesicle arteries and drain by acccompanying vessels.

56
Q

What give blood to the prostate?

A

middle rectal, inferior vesicle and internal pudendal arteries.

57
Q

What drains the prostate?

A

prostatic venous plexus which drains into the vesicle venous plexus around the neck of the bladder then into the internal iliac veins.

58
Q

Where can the prostatic plexus communicate?

A

Internal vertebral venous plexus. CANCER SPREADS!

59
Q

what is a transurethral resection of the prostate?

A

taking out the prostate through the urethra to spare the nerves.

60
Q

What is the lymph drainage of the ductus deferens, seminal veiscles and prostate?

A

follow respective vessels back to external and interal iliac and sacral nodes.

Gross Anatomy (7 decks)

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