Trace the path a mature sperm must make upon entering the seminiferous tubule lumen to expulsion...


Trace the path a mature sperm must make upon entering the seminiferous tubule lumen to expulsion from the body and identify accessory glands and their secretions that contribute to the final product, seminal fluid.


Gametogenesis is the process of formation of gametes from the germ cell stage to the mature gamete. The process differs in males and females. Although, the mitotic divisions occur before birth in both sexes, the first and second meiotic divisions into secondary oocytes and ova (with fertilization) in the female, occur between birth and puberty, while in the male, both meiotic divisions into secondary spermatocytes and sperms occur between birth and death. Sperms are produced throughout life at the rate of 100 million per day while oocytes from primary to secondary stages ranges from 7 million before birth to 2 million at birth to around 40,000 at puberty.

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By the end of 64 days, a single spermatogonium develops into a spermatozoon and enters the lumen of the seminiferous tubules from wall of seminiferous...

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Sperm's Journey from the Testes to Urethral Orifice


Chapter 18 / Lesson 15

Spermatozoa are produced in the testes, beginning a journey that plays an important role in reproduction. Explore the detailed path sperm takes from the testes to the urethral orifice with the end goal of passing on its DNA by fertilizing a female egg.

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