Male Reproductive System Flashcards
What is the name of the canal that the testes passes through during development?
Inguinal canal
Deep and superficial openings of inguinal canal?
Deep ring and superficial ring.
Fascial layers of the spermatic cord + what abdominal muscles they’re made from
- External spermatic fascia - external oblique
- Cremaster muscle and fascia - cremaster muscle and internal oblique
- Internal spermatic fascia - transversalis
Acronym for contents of spermatic cord
Protection Does Contribute To a Damn Good Sex Life
Contents of spermatic cord
Pampiniform plexus Ductus deferens Cremasteric artery Testicular artery Ductus deferens artery Genitofemoral nerve Sympathetic nerves Lymphatics
Layers surrounding testes (external then internal)
- Tunica vaginalis
2. Tunica albuginea
2 layers of the tunica vaginalis
Parietal and visceral layer
What is a hydrocele and what causes it?
Accumulation of fluid between layers of the tunica vaginalis.
Premature birth, infection, injury/inflammation
What is a haematocele and what causes it?
Accumulation of blood around the tunica vaginalis
Testicular trauma
Testicular arteries vertebral level origin
L2-L3
Where do the testicular veins drain into?
Right drains into IVC
Left drains into left renal vein
What is a varicocele and what causes it?
Enlargement of the pampiniform plexus
Geometry of veins, valve failure, excessive pressure in upstream arteries
Which lymph nodes do the testes drain to?
Lumbar and Paraortic lymph nodes
Which lymph nodes does the prostate drain to?
Internal iliac and sacral lymph nodes
Which lymph nodes does the seminal vesicles drain to?
External and internal iliac lymph nodes
Which lymph nodes does the scrotum drain to?
Superficial inguinal and popliteal lymph nodes
Which lymph nodes does the penis drain to?
Inguinal lymph nodes
What is the purpose of the epididymis?
To store sperm produced by the testes
What is the vas deferens and what is it’s purpose?
Muscular tube. It joins the duct of the seminal gland to form the ejaculatory duct.
What secretions are produced by the seminal vesicles?
Fructose, vitamin C, prostaglandins, fibrinogen
What secretions are produced by the prostate gland?
Proteolytic enzymes, prostatic acid phosphatase, fibrinolysin, zinc, PSA
What secretions are produced by the bulbourethral glands?
Clear fluid rich in mucoproteins help to lubricate the distal urethra
Why might an enlarged prostate cause retention of urine?
Kinks the urethra, surrounds and narrows the lumen of the prostatic urethra.