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The prostate is unpaired.
The seminal vesicle contains a sugary substance that gives the sperm energy and the Prostate gland provides alkaline fluid which helps protect the sperm from the acidity of the vagina
Prostate gland Seminal vesicle Cowper's gland
Seminal vesicle, prostate gland, bulbourethral (or Cowper's) glands
seminal vesicle: provides the sperm with a sugary substance, providing it with energycowpers gland: lubricates spermprostate gland: provides sperm with alkaline fluid to protect it from the acidity of the vagina
The male reproductive system includes: bulbourethral gland, epididymis, seminal vesicle and prostate gland.
Several glands are involved in producing semen. The testes create the sperm cells. The prostate gland creates most of the liquid in the semen. The cowper's glands also produce some of the liquid. The seminal vesicles hold the mixture until ejaculation.
The prostate gland secretes about 30% of the fluid, which mixes with the fluid from the seminal vesicle and the spermatozoa. The spermatic fluid or semen is formed by the secretions of the Testes, Seminal vescicles, Prostate gland and Bulbourethral gland. The sperms are secreted by the testes which pass through the vas deferns to seminal vescicles. The seminal vescicles contibute to about 70% of semen. The prostate gland and bulbourethral gland(Cowper's gland) further contibute to form semen.
From the prostate gland & out would be the Urethra, or you may be asking about the Seminal Vesicle's.
The prostate, testes, and seminal vesicles
prostate gland
The seminal vesicle provides nutrients and energy for the sperm as well as providing compounds that make sperm alkaline, which helps the sperm survive the highly acidic environment of the vagina. The prostate makes semen even more alkaline