Seminal Vesicles

Definition - What does Seminal Vesicles mean?

The seminal vesicles are a part of the male reproductive system that stores the fluid which, when combined with sperm, makes semen. Seminal fluids are necessary to sperm’s lifecycle and trajectory, and sperm depend on the aid of seminal fluid to successfully fertilize an egg. Disruption or disorder of the seminal gland can cause disordered ejaculation, a common cause of male factor infertility.

The seminal vesicles are also known as the seminal glands.

FertilitySmarts explains Seminal Vesicles

In order to successfully exit the male reproductive system and enter the female body, sperm is accompanied by a variety of fluids, which, when combined, comprise semen. These fluids are responsible for providing the sperm with nutrients, aiding the sperm through the male urethra and out of the penis, into the vagina and through the cervix in search for an egg to fertilize. Without these fluids, the sperm would be unable to survive or complete the process.

The seminal vesicles are a vital component of this process, as they are the site for the development and release of much of the seminal fluid. 80% of fluid in semen comes from the seminal vesicles, the remainder being comprised from the prostate and the Cowper's gland. Therefore, any disruption to the seminal vesicle's function may impede a man’s fertility.

Dry orgasm, also called aspermia, is the failure to ejaculate fluids during orgasm. This condition may indicate the seminal glands are not producing fluids or the presence of a blockage in the system’s track. The seminal gland may also become inflamed, preventing the release of seminal fluid. Additionally, cysts, blockage, or calcification of the gland can also prohibit functioning. All of these issues could lead to the presence of an ejaculatory disorder, causing infertility.

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