A Sertoli cell is a cell found in the testes. Its main function is to help the developing sperm cells through the stages of spermatogenesis - the process of turning stem cells into sperm. It was also called the "mother cell." The cell also helps in the creation of stem cells.
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Sertoli cells get their name from Enrico Sertoli, an Italian physiologist. He discovered them while studying medicine in the University of Pavia, Italy. He published a description of this cell in 1865. As of 2006, two textbooks have been published that are almost entirely about the Sertoli cell .