The seminal vesicle
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Seminal fluid is produced by several structures in the male reproductive system, including the seminal vesicles, prostate gland, and bulbourethral glands. These structures secrete fluids that combine to form semen, which helps nourish and transport sperm during ejaculation.
The three organs that produce seminal fluid are the seminal vesicles, the prostate gland, and the bulbourethral glands.
The seminal vesicles produce and store seminal fluid, which helps nourish and transport sperm. This fluid is released during ejaculation and contributes to the overall volume of semen.
The seminal vesicles make the largest contribution to seminal fluid. They produce about 60-70% of the volume of semen, which provides nutrients for sperm and helps with their motility.
The seminal fluid secreted by the seminal vesicle is typically a yellowish or cloudy white color.
The substance that does not contribute to seminal fluid is testosterone. Seminal fluid is primarily composed of seminal vesicle fluid, prostate fluid, and sperm from the testes. Hormones like testosterone are involved in sperm production rather than the secretion of seminal fluid.