Cell proliferation and differentiation kinetics during spermatogenesis inHydra carnea Adelheid MunckCharles N. David OriginalPaper Pages: 247 - 256
Migration and division of cleavage nuclei in the gall midge,Wachtliella persicariae Rainer Wolf OriginalPaper Pages: 257 - 270
Rapid induction of morphogenetic movement in amphibian gastrulae with Ca2+ ionophores Denis Moran OriginalPaper Pages: 271 - 274
Bufonid nucleocytoplasmic hybrids arrested at the early gastrula stage lack a fibronectin-containing fibrillar extracellular matrix Michel DelarueThierry DarribereJean-Claude Boucaut OriginalPaper Pages: 275 - 280
The role of animal-vegetal interaction with respect to the determination of dorsoventral polarity in the equal-cleaving spiralian,Lymnaea palustris Mark Q. MartindaleChris Q. DoeJohn B. Morrill OriginalPaper Pages: 281 - 295
Gap junctions between the follicle cells and the oocyte during oogenesis in an insect,Tribolium destructor/Coleoptera S. M. BiliĆskiW. J. HageJ. G. Bluemink OriginalPaper Pages: 296 - 300
Chronological analysis of the intestinalization of chick stomach endoderm induced in vitro by duodenal mesenchyme Atsuko Ishizuya-OkaTakeo Mizuno Rapid Communications Pages: 301 - 305
Changes in the acetylcholinesterase and choline acetyltransferase activities in the early development of the chick embryo Tiit LaasbergToomas Neuman Rapid Communications Pages: 306 - 310