Male reproductive system Flashcards
What are the testes Housed in?
Scrotum
What is the cremaster muscle and what is it responsible for?
Smooth muscle in the scrotum
Responsible for making sure the testes are the right temperature
What is produced in the testes?
Testosterone and sperm
Ideal temperature for sperm production
96.6°F
how does the location of the testes allow for this ideal temperature
The cremaster muscle flexes and relaxes to maintain temperature
Tunica Albuginea
Outer layer, protective covering around testicles
Seminiferous tubules
Little tubes in testes
Epididymis
Tubes outside the testicles
Ductus deferens
carries sperm out of the testicles
What happens within the seminiferous tubules
Sperm production
What does the prostate surround
urethra
What is produced within the prostate
Prostatic fluid
How much of semen is prostatic fluid
About 25%
Semen jobs
1.raise pH of vaginal canal in female so sperm don’t die 2.feed sperm sugar
How many mL are in ejaculate
2-5
How many sperm are in an ejaculation
250 million
How does the ductus deferens move sperm through it
A muscle contraction called Paristalsis
How much of semen is the seminal fluid
70%
What does the high fructose Contant of seminal fluid do
Feed sperm to power the flagella
What does the alkalinity (base) of seminal fluid do
Neutralizes the vaginal canal/vagina
What are the two jobs of the penis
Urination and sexual intercourse
Impotent
Failure to achieve an erection
BPH
Non-cancerous and swollen prostate
