Flashcards in Reproductive Anatomy Deck (60)
What is the reproductive anatomy derived from?
What do the seminal vesicle, epididymis, ejaculatory duct, and ductus deferens arise from?
Mesonephric (Wolffian duct)
Where do the primitive ovary or testis develop from?
Mesoderm on top of the kidney
Where does the uterus and upper 1/3 of the vagina develop from?
Paramesonephric (Mullerian duct)
Where are spermatozoa produced from?
Seminiferous tubules of the testis
What is testosterone secreted by?
Leydig cells under the influence of LH
Testosterone acts directly on what cells?
The scrotum is approximately how much cooler than the rest of the body?
1 degree C
What thick fibrous capsule encloses the testis?
The tunica albuginea divide the testis into how many lobules?
How many seminiferous tubules does each lobule of the testis contain?
1-4 seminiferous tubules
What do the seminiferous tubules empty into?
The straight tubules
What do the straight tubules empty into?
What do rete testis empty into?
What 7 layers cover the testis
Skin, dartos muscle (within colles fascia), external spermatic fascia, cremasteric muscle, internal spermatic fascia, parietal layer of tunica vaginalis (from the peritoneum), visceral layer of the tunica vaginalis
Where do sperm mature?
What does the epididymis continue as?
The ductus deferens is joined by what?
The seminal duct
What is the joint ductus deferens and seminal duct called?
Where does the ejaculatory duct open?
What are the 3 coverings of the spermatic cord?
External spermatic fascia
Internal spermatic fascia
What 3 arteries are in the spermatic cord?
Testicular, artery to the ductus deferens, and cremasteric artery
What 3 nerves are in the spermatic cord?
Testicular, genital branch of genitofemoral, and ilioinguinal nerve
What 3 structures also are contained in the spermaitc cord?
Ductus deferens, pampiniform plexus, testicular lymphatics
What lies dorsally on both sides of the penis and is full of blood?
What lies inferior on the penis?
What are the corpora of the penis enclosed in?
What is contained within the corpus spongiosum?
The penile urethra
What is the expanded distal end of the copus spongiosum