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UPTAKE AND LOCALIZATION OF 3H‐1‐METHYLADENINE BY THE GONADAL EPITHELIAL CELLS OF SEA URCHINS IN VITRO

The meiotic inducing hormone, 1‐methyladenine, first isolated from starfish has been implicated to play some role in the gamete maturation of a number of marine invertebrates. However, there have been controversial and sometimes opposite conclusions due to the fact that there is no direct bioassay system other than in starfish.