F. colour SEM of oocysts on stomach of Anopheles

F. colour SEM of oocysts on stomach of Anopheles

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Credit: LONDON SCHOOL OF HYGIENE & TROPICAL MEDICINE/SCIENCE PHOTO LIBRARY.

Caption: False-colour scanning electron micrograph of the stomach wall of a mosquito Anopholes stephansii infected with malarial parasites Plasmodium. The small rounded objects covering the outside stomach wall are oocysts, a stage in the life cycle of the parasite. The oocysts grow in size & the contents divide to form sporozoites, which are dispersed through the body cavity when the oocyst bursts. The released sporozoites eventually reach the salivary gland of the mosquito & are transmitted to humans when the female takes a blood meal.

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Keywords: animal, anopheles stephansii, in mosquito, invertebrate, invertebrates, malaria, malaria parasite, malarial, nature, oocyst, parasite, plasmodium, protozoa, protozoan, wildlife, zoology

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