Issue |
Ann. Parasitol. Hum. Comp.
Volume 43, Number 1, 1968
|
|
---|---|---|
Page(s) | 79 - 85 | |
DOI | https://doi.org/10.1051/parasite/1968431079 | |
Published online | 12 October 2017 |
Mémoire
Actions histopathologiques comparées de parasites coelomiques des larves de Simulies (Chytridiales, Microsporidies)
Equipe de Recherches de Protistologie associée au C.N.R.S. Faculté des Sciences F. 34 - Montpellier, France.
Nous pouvons classer provisoirement un certain nombre de parasites cœlomiques des larves de Simulies en trois groupes :
1° Coelomycidium simulii ne provoque pas de réaction de la part du tissu-hôte. Il se localise électivement dans le tissu adipeux et le tissu pigmentaire (accessoirement dans le tissu nerveux).
2° Thelohania bracteata, Plistophora simulii, P. debaiseuxi attaquent le tissu adipeux et induisent une légère hypertrophie et éosinophilie des noyaux, hypertrophient les cellules sanguines et épithélio-intestinales.
3° Stempellia simulii induit une intense réaction du tissu adipeux parasité : hypertrophies nucléaire et cytoplasmique.
Tous ces parasites sont mortels pour l’hôte.
Abstract
At present some cælomic parasites in Simulium larvae can be put into three classes :
1° Coelomycidium simulii does not bring on reactions in the host-tissue. C. s. mainly attacks the adipose tissue and chromatocytes (sometimes the nervous system).
2° Thelohania bracteata, Plistophora simulii, P. debaiseuxi attack the adipose tissue and infer a slight hypertrophy and eosinophilic reaction of the nuclei and the blood cells and intestinal cells greatly increase.
3° Stempellia simulii brings on a deep reaction of the parasitized fat body : nuclear and cytoplasmic hypertrophy.
All these parasites are mortal for Simulium larvae.
© Masson, Paris 1968, transferred to Société Française de Parasitologie
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