Studies in histopathology-changes induced by a larval monostome in the digestive gland of the snail, Melanoides tuberculatus (Müller)

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Studies on the genus strongyloides in lower primates.

The genus Strongyloides is a common genus of nematodes parasitic in numerous animals, including man. It is unusual in its life cycle in that it is parthenogenetic in its parasitic phase and normally has a bisexual generation outside of the host, thereby increasing the number of potential infective larvae. In addition, however, the bisexual generation may be omitted when the larvae developing from the eggs of the parthenogenetic female develop directly into infective larvae instead of free living adults. The conditions causing these changes, in spite of extensive investigations by various workers are still largely unknown, and many problems still exist