Sex organs of the human male

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Anatomy and Physiology. The two sperm ducts open on top of the urethra. The male sex hormone testosterone is produced by Leydig cells. The hormone may also be necessary to cause maturation of sperm and to heighten the sex drive of the male. In terms of reproduction, puberty signals the time when a man has fully-functioning sexual organs and is capable of fathering an offspring.

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During the menstrual period, a batch of follicular cells develops and prepares the eggs for release.

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Reproductive Organs

The male gamete, or spermand the female gamete, the egg or ovummeet in the female's reproductive system to create a new individual. The urethra in the male is prolonged into a penis, consisting of connective tissue containing numerous small spaces which are normally empty, but which are filled with blood when the penis is erect. Infertility can occur in land mammals when the testes do not descend through the abdominal cavity during fetal development. The other genital organs are the epididymides; the ductus, or vasa, deferentia; the seminal vesicles; the ejaculatory ducts; and the penis; as well as certain accessory structures, such as the prostate and the bulbourethral Cowper glands. By using this site, you agree to the Terms of Use and Privacy Policy.

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