Microtubule- and microfilament-based dynamic activities of the endoplasmic reticulum and the cell surface in epithelial cells ofSpongilla lacustris (Porifera, Spongillidae) Dieter WachtmannWilhelm Stockem OriginalPaper Pages: 117 - 124
Ultrastructural studies on vitellocytes of Parotoplaninae (Plathelminthes, Proseriata) with special reference to the structure of eggshell-forming granules Beate Sopott-Ehlers OriginalPaper Pages: 125 - 131
Ultrastructure of the oocyte and embryo of the calcified sponge,Petrobiona massiliana (Porifera, Calcarea) Marie -France GallissianJean Vacelet OriginalPaper Pages: 133 - 141
The compass depressors ofParacentrotus lividus (Echinodermata, Echinoida): ultrastructural and mechanical aspects of their variable tensility and contractility I. C. WilkieCandia CarnevaliF. Bonasoro OriginalPaper Pages: 143 - 153
Growth factors in asexually reproducing catenulida and macrostomida (Plathelminthes)? Maria ReuterAri Kuusisto OriginalPaper Pages: 155 - 165
Morphology and morphometry of the lungs of two East African mole rats,Tachyoryctes splendens andHeterocephalus glaber (Mammalia, Rodentia) J. N. MainaG. M. O. MaloiyA. N. Makanya OriginalPaper Pages: 167 - 179
Functional morphology and development of tibial organs in the legs I, II and III of the bushcricketEphippiger ephippiger (Insecta, Ensifera) Wolfgang Rössler OriginalPaper Pages: 181 - 188