REPRODUCTIVE SYSTEM

7.4 MALE REPRODUCTIVE SYSTEM

1. Internal parts of the reproductive system.

4. Seminal Vesicle

The seminal vesicle is a saclike structure attached to the vas deferens near the base of the urinary bladder.
b.         During emission, seminal vesicles secrete an alkaline fluid containing fructose to nourish sperm and prostaglandins to cause muscular contractions in the female tract to help propel sperm to the egg cell.