also  Ser*to*li's cell  n :  any of the elongated striated cells in the seminiferous tubules of the testis to which the spermatids become attached and from which they apparently derive nourishment
 
Sertoli, Enrico (1842-1910), Italian physiologist. In 1865 Sertoli identified and described the branched cells in the seminiferous tubules of the human testicle; the cells are now known as Sertoli cells. He went on to study the anatomy of the testicle and spermatogenesis.
 
   
 
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