Ser·to·li cell 
(sər-tōlē, sĕr-)
(sər-tōlē, sĕr-)n.
Any of the elongated, striated cells of the seminiferous tubules of the testis, to which spermatids attach for nourishment during spermatogenesis.
[After Enrico Sertoli (1842-1910), Italian histologist.]