Issue |
Ann. Parasitol. Hum. Comp.
Volume 57, Number 4, 1982
|
|
---|---|---|
Page(s) | 345 - 352 | |
DOI | https://doi.org/10.1051/parasite/1982574345 | |
Published online | 15 September 2017 |
Mémoire
A study of ultrastructure of egg shell of Schistosoma japonicum
I. Transmission Electron Microscopic Observation of S. japonicum Egg
Étude de l’ultrastructure de la coquille de l’œuf de Schistosoma japonicum
1 Department of Biology, East China Normal University, Shanghai, China
Accepted: 16 December 1981
Ultrathin sections of egg shell of S. Japonicum were observed. The micropores and network of microcanals were first reported in egg shell of S. japonicum. Both the micropores and microcanals are lined by a membrane being continous with the inner layer of egg shell and filled with materials coming fron inside of the egg.
As in the egg of S. mansoni, the possibility of micropores and microcanals that may play an important role as natural channels in secreting materials such as soluble antigens and histolytic enzymes… etc., is discussed.
Résumé
Des sections ultrafines de la coquille sont étudiées. Les micropores et le réseau des microcanaux ont d’abord été observés dans la coquille. Les micropores et microcanaux sont tapissés par une membrane en continuité avec la paroi interne de la coquille et remplis de matériaux provenant de l’intérieur de l’œuf.
Comme dans l’œuf de S. mansoni, la possibilité que ces micropores et micro-canaux jouent un rôle important de voies naturelles en sécrétant des substances telles que des antigènes solubles, des enzymes histolytiques, etc., est discutée.
© Masson, Paris 1982, transferred to Société Française de Parasitologie
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