Question

Describe the structure of a seminiferous tubule.​

Answer 1

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Structure of seminiferous tubules:

Seminiferous tubules are found in the testicular lobules and are highly coiled structures. It is here that the production of sperms in the testes occurs.

Each of the seminiferous tubule has a lining of germinal epithelium

On the inner side, it is lined by two types of cells – sertoli cells and spermatogonia.

Spermatogonia – they are the male germ cells that produce the primary spermatocytes through the process of meiotic divisions. The primary spermatocytes furthermore undergo meiotic divisions for the formation of secondary spermatocytes and ultimately spermatids. Lateron, spermatids metamorphosize into the male gametes termed as spermatozoa.

Sertoli cells are referred to as nurse cells of the testes. It is because they nourish the germ cells.

Just adjacent to the seminiferous tubules, there are large polygonal cells referred to as leydig cells or interstitial cells which secrete testosterone – the male hormone.

Answer 2

Answer:

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