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NEET2013ZoologyHuman ReproductionActual

Which one of the following statements best characterise the testis?

Options

  1. AThe seminiferous epithelium contains only proliferative cells
  2. BFunctional compartmentalisation of the seminiferous epithelium depends on tight junctions
  3. CThe interstitial tissue contains few capillaries
  4. DThe seminiferous epithelium contains numerous capillaries

Correct answer

B. Functional compartmentalisation of the seminiferous epithelium depends on tight junctions

Step-by-step solution

Each testis contains seminiferous tubules for spermatogenesis and interstitial (Intertubullar) tissue rich in Leyding cells for steroidgenesis. Seminiferous epithelium contains a continuous layer of Sertoli cells, which are joined by tight intercellular junctions. These junctions divide the epithelium into a basal compartment that contains spermatogonia and an abdominal compartment.

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