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  • Title: [Histological reactions of the host induced by the larvae of the warble-fly Oestromyia leporina Pall. (Diptera, Hypodermatidae) (author's transl)].
    Author: Rietschel G.
    Journal: Z Parasitenkd; 1979 Dec 01; 60(3):277-89. PubMed ID: 543213.
    Abstract:
    The histological reactions of Mastomys natalensis induced by the larvae of Oestromyia leporina are described from the start of the infection to the complete healing of the evacuated cyst. Against the migrating larva no cellular reactions take place. After the larva settles, the most obvious feature is a non-suppurative inflammation of the surrounding tissue, while a layer of granulation tissue, infiltrated with eosinophils, is built up around the parasite. About 13 days p.i. the number of eosinophils starts to decrease again. No giant cells are present; plasmocytes and lymphocytes are relatively scarce. A few days before the parasite leaves the host, the inner surface of the warble is infiltrated with masses of neutrophils, obviously caused by secondary invasion of bacteria through the warble opening. After the parasite leaves the host, the repair of the tissue takes place within three weeks. The remaining scar tissue contains cells carrying haemosiderin, which disappears entirely about two months later.
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