Observations on cells of the ovotestis of a pulmonate snail
The numerous cytological problems in spermatogenesis and yolk formation have been studied intensively by light microscopists, but it is only recently that electron microscopy has been utilized in an effort to understand the profound nuclear and cytoplasmic changes which take place. The cells of the ovotestis of pulmonate snails offer excellent material for study in these areas. The following report gives an account of studies on both male germ cells and nurse cells of the snail Otala vermiculata including observations for both nuclear and cytoplasmic structures.
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