Write the location and functions of following in human testes.(i)Sertoli cells (ii)Leydig cells

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1. Sertoli Cells:

• Location:

  • Sertoli cells are primarily located within the seminiferous tubules of the human testes.

• Functions:

  • Nurturing Sperm Cells:
    • Sertoli cells play a crucial role in supporting and nurturing developing sperm cells during the process of spermatogenesis.
  • Sperm Maturation:
    • They contribute to the maturation of sperm cells, facilitating the transformation from spermatids to fully mature spermatozoa.
  • Nutrient Supply:
    • Sertoli cells provide essential nutrients and growth factors to developing sperm cells, ensuring their proper development.

2. Leydig Cells:

• Location:

  • Leydig cells are situated in the interstitial tissue of the testes, outside the seminiferous tubules.

• Functions:

  • Testosterone Production:
    • Leydig cells are responsible for the production and secretion of testosterone, a key male  hormone.
  • Regulation of Secondary  Characteristics:
    • Testosterone plays a pivotal role in the development of secondary  characteristics, such as facial hair, deepening of the voice, and muscle development.
  • Spermatogenesis Support:
    • While not directly involved in spermatogenesis, testosterone produced by Leydig cells influences and supports the process.

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