What are testicular lobules?

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Detailed Solution

Testicular lobules are small compartments in the testes that contain seminiferous tubules where sperm is produced.

Each testis is divided by connective tissue into 250–300 lobules. Each lobule holds 1 to 3 highly coiled seminiferous tubules. These tubules are the sites of spermatogenesis, where germ cells develop into mature sperm. The inner lining of the tubules has Sertoli cells, which support sperm growth, and interstitial Leydig cells around them produce testosterone. All seminiferous tubules connect to the rete testis, leading to the epididymis for sperm storage. This structure ensures continuous sperm production and hormone regulation. Testicular lobules are vital for male fertility and endocrine function.

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