Microspines on Schistosoma japonicum and S. haematobium egg shells.
D000818:Animals; D002462:Cell Membrane; D006224:Cricetinae; D004463:Ecology; D005260:Female; D007583:Jejunum; D008854:Microscopy, Electron; D010063:Ovum / Q000166:cytology; D012547:Schistosoma / Q000254:growth & development / Q000302:isolation & purification