What does semen broadly refers to in humans?
Semen is the white liquid that contains secretions from accessory glands, ducts and sperms. It is a collection of secretions from seminal vesicles, prostate gland, Cowper's gland and sperms. Semen is made up of sperm cells, as well as a number of bodily secretions. These secretions include: prostatic fluid, which neutralizes the acidity of the vagina. seminal fluid, which contains proteins, fatty acids, and fructose to nourish the sperm.
Semen usually contains fructose, ascorbic acid, flavins, prostaglandins, bicarbonate, citric acid, cholesterol, mucus, etc.