Ducts and more Flashcards
Epididymis
*how long is it?
A coliled duct outside the testis that serve as a place for sperm to mature
-the epididymis is 3-4 meters long uncolied
After sperm leaves the epididymis, where is it off to?
the ductus deferens
Ductus deferens
stores a small amount of spem and moved sperm from the epididymis to urethra during an ejaculation
sperm goes from the ductus deferns to the…
ejaculatory duct
Ejaculatory duct
union of ducts that eject sperm into the urethra
Urethra
the way sperm gets moved through penis into female tract
What are accessory sex glands for?
They help sperm survive!
Acessory sex gland:
Seminal vesicles
secrete an alkaline visocus fluid that contains fructose, prostaglandins, and clotting proteins
seminal vesicles each components purpose
(Alkaline nature, fructose, prostaglandins, and proteins)
Alkaline nature: helos neutralize acid in male urethra and female reproductive tract
Fructose: helps with ATP production…food for sperm
Prosaglandins: help with sperm motility and viablilty
proteins: cause coagulation of semen AFTER ejaculation
Prostate
Makes a milky fluid that makes up 25% of semen.
helps semen with ATP production and helps it to coagulate and break down
Bulbourethral glands
secrete an alkaline fluid that neutralizes acicidic enviorment of urethra and lubricates the lining of urethra as well as the tip of penis
FLUSHES OUT PENIS
What is semen composed of?
Sperm and fluid from accessory glands (seminal, prostate, bulbourethral)
Penis
Where are most of the free nerve endings located on the penis?
-Primary function is to introduce sperm to vagina
-most of the free nerve endings are on the glans penis
The corpus cavernosum fills with blood during sexual arosal and results in a ____.
errection
The corpus spongiosum does what?
keeps penile urethra open during arosal
