Which structures does the penis contain related to blood sinuses?
Two dorsal corpora cavernosa and one ventral corpus spongiosum.
What happens to blood flow during penile erection?
Blood rapidly enters penile sinuses while drainage is prevented, causing rigidity.
Where is the male reproductive system located?
In the pelvic region.
What do prostaglandins do in the female genital tract?
They stimulate vaginal contractions that help sperm move toward the ovum.
Penis structures
Corpora cavernosa and spongiosum contain blood sinuses.
Erection process
Blood enters sinuses; drainage blocked.
Seminal fluid sources
Seminal vesicles, prostate, Cowper’s glands.
Seminal vesicle contribution
More than 50% of semen volume.
Semen functions
Provides nutrients, neutralizes acidity, causes contractions.
Semen liquefaction time
About 20 minutes after ejaculation.
Impacts of cryptorchidism
Can cause sterility if testes don't descend.
Test your knowledge with 8 questions on Male Reproductive System Functions.
1. Regarding penis structure and erection, which statements are correct?
2. Concerning the mechanism and anatomical changes of penile erection, select the correct statements:
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