Anatomy - Male Reproductive Flashcards
(34 cards)
Name the Arterial, Vein, and Nerve supply of the Scrotum
Arteries: Anterior & Posterior scrotal arteries, cremasteric arteries
Vein: Scrotal vein
Innervation: Anterior & Posterior scrotal nerves
Response to cool temperature or stroking of medial aspect of thigh
Elevates the scrotum
(shrinkage)
Cremasteric Reflex
During a prostatectomy, the surgeon attempts to protect the prostatic plexus of nerves which contains nerve fibers that innervate penile tissue to cause erection. From which nerves do these fibers originate?
Pelvic splanchnics
What does the Anterior scrotal nerve consist of? (2)
Terminal part of the ilioinguinal nerve
Genital branch of genitofemoral nerve
What does the Posterior scrotal nerve come from?
Branch of the perineal nerve
Testes are surrounded by:
tunica albuginea
Tunica albuginea surrounds:
testes
What is found within tunica albuginea’s lobules?
Seminiferous tubules
Where are Leydig cells are found?
Seminiferous tubules
What type of cells do Seminiferous tubules have?
Leydig cells
Efferent ductules drain to ____
Epididymis
What drains from the testes to the epididymis?
Efferent ductules
Where does sperm mature?
Epididymis
Groove between testis and epididymis
Sinus of epididymis
Tail of the epididymis is continuous with:
Vas deferens
What Innervates the testes and epididymis? Sympathetic? Parasymp?
Testicular plexus of nerves
Sympathetic trunk T7
Parasympathetic vagus nerve
What veins converge superiorly to form the testicular vein?
Pampiniform plexus
What does the Pampiniform plexus do?
Thermoregulatory system of the testis
How many inches long is the ductus deferens?
18 inches
Where does the Ductus deferens arise from? Pass through? Terminal end?
Arises from tail of epididymis
Passes through the inguinal canal
Terminal end of the duct dilates to form the ampulla
What’s the vein for the Ductus Deferens?
Testicular vein
__ + ___ = Ejaculatory duct
Seminal vesicles + Vas deferens = Ejaculatory duct
Ejaculatory ducts are ___ at inferior end and ___ at superior end
Close together at inferior end
Far apart at superior end
How many lobes are in the prostate?
5