The forms of the malarial plasmodia concerned in sporogony which can be differentiated in the blood of the human host are of great interest from both a practical and theoretical standpoint. The presence of these sexual forms, which are intended to complete their development within the mosquito, proves beyond question that the patients in whom they occur are infective to these insects, and that they are thus true "carriers" of malarial disease. The demonstration of these forms is, therefore, of importance in malarial epidemiology and prophylaxis, and as but very brief descriptions of the sexual forms are given in most English and American works dealing with the malarial fevers or the protozoa, it has appeared to me that a detailed account of their morphology, together with a discussion of certain points concerning their rôle in epidemiology, might prove of interest and value to those interested in the diagnosis and prophylaxis
CRAIG CF. THE SEXUAL FORMS OF THE MALARIAL PLASMODIA OCCURRING IN THE BLOOD OF MAN. Arch Intern Med (Chic). 1910;V(4):325–347. doi:10.1001/archinte.1910.00050260002001
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