Why Is Spermatogenesis Necessary?

James H. Sterling
James H. Sterling
• • 6 min read

Spermatogenesis Is the Cellular Division and Transformation That Produces Male Haploid Germ Cells from Diploid Spermatogonial Stem Cells. Continuous Sperm...

Why Is Spermatogenesis Necessary?

Spermatogenesis is the cellular division and transformation that produces male haploid germ cells from diploid spermatogonial stem cells. Continuous sperm production is dependent upon several intrinsic (Sertoli cells

Sertoli cells
A Sertoli cell (a kind of sustentacular cell) is a "nurse" cell of the testicles that is part of a seminiferous tubule and helps in the process of spermatogenesis, the production of sperm. It is activated by follicle-stimulating hormone (FSH) secreted by the adenohypophysis, and has FSH receptor on its membranes.
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and germ cells) and extrinsic (hormonal) factors.

What is the purpose of spermatogenesis?

The goal of spermatogenesis is to produce a genetically unique male gamete that can fertilize an ovum and produce offspring.

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What is required for spermatogenesis?

Human Male Spermatogenesis

Spermatogenesis begins at puberty, when testosterone levels rise. Testosterone is critical to spermatogenesis. In the lack of testosterone, spermatogenesis only proceeds as far as the prophase 1-leptotene stage of meiosis (Fig. 18.3).

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist
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James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.