ULTRASTRUCTURE OF POLAR LOBES IN EGGS OF THE FRESHWATER PROSOBRANCH GASTROPOD AMNICOLA LIMOSA
The structure of polar lobes in eggs of the freshwater prosobranch gastropod Amnicola limosa has been studied by light microscopy and by transmission electron microscopy. A cytoplasmic localization, discovered within the lobes, is described. Its morphology and subsequent pattern of dispersal are similar to that of the vegetal body in the polar lobes of Bithynia tentaculata.
Craig, Michael M., and James N. Cather. "Ultrastructure of polar lobes in eggs of the freshwater prosobranch gastropod Amnicola limosa." Journal of Molluscan Studies 49, no. 1 (1983): 27-35.
Journal of Molluscan Studies