Osservazioni sulla gametogenesi dei Molluschi. I. La spermatogenesi di Goniodiscus rotundatus (Polmonati, Stilommatofori)
The connection between Sertoli cells and male germinal cells is not always present during spermatogenesis of Goniodiscus rotundatus. If this connection exists it interests only Spermatogonia, 1st Spermatocytes and Spermatids in spermiohistogenesis.