Internal Male Reproductive Organs

• The epididymis acts as a holding and storage tank for mature sperm.

• The vas deferens serves as the plumbing to transport the mature sperm.

• The seminal vesicles are two small glands that secrete a liquid that accounts for 30 percent of the semen fluid volume.

• The prostate gland, located below the bladder, contributes the majority of the secretions to the seminal fluid.

• The ejaculatory ducts are two short tubes that are formed by the union of the vas deferens, the seminal vesicles, and the prostate gland. It is here that the components of semen are combined together and made ready for ejaculation.

• The urethra is the major transport tube for urine and semen.

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