The practical study of malaria : and other blood parasites / by J.W.W. Stephens and S.R. Christophers.

Date:
1904
Catalogue details

Licence: In copyright

Credit: The practical study of malaria : and other blood parasites / by J.W.W. Stephens and S.R. Christophers. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    3. Fertilization of the makrog&mete = ovum or copula, on the slide and in nature in mosquito. 4. Vermiculus or ookinet. Only in mosquito stomach. 5. Zygote or oocyst. In stomach wall. 6. Medium or large zygote with sporoblasts. 7. Sporozoits. In salivary glands. The sexual cycle is known also as sporogony or amphigony, while the asexual cycle is known as schizogony or monogony. These two cycles and their relation to one another are shewn in the figure (Fig. 9). Further, there is a certain amount of evidence to shew that a gamete (?) in the blood can undergo a kind of retrogressive development, and give rise by parthenogenesis to young parasites (i.e., schizonts). If this is so, it would explain the supposed function of old attributed to crescents (gametes) of producing relapses.