a Comparative studies on the structural development of nerves and muscles. Xenopus laevis, Eleu- 



therodactylus martinicensis, Rana temporaria (Anura), Triturus spp., Ambystoma spp. (Urodela) 

 b Electron microscopy of muscle development. Same species as a 

 MUSY, J. P.;M.D. - Inst. d'Histol. et d'Embryol. Gen., Univ. de Fribourg, Perolles, 1700 FRIBOURG, 



Switzerland 

 a Cytophotometry on embryonic fibroblasts: DNA content as a function of oxygen concentration. 



Gallus domesticus (Aves) 

 MUTOLO, v.; M.D., Prof. - 1st. di Anat. Comp., Univ. di Palermo, Via Aichiiafi 20, 90123 PALERMO, 



Italy 

 MYLVAGANAM, R.; M.Sc. - Immunol. Unit, Dept. of Bacteriol., Univ. of Aberdeen, Foresterhill, 



ABERDEEN, AB9 2ZD, Scotland, UK 

 a Immunological aspects of insulin therapy in diabetic pregnancies. Cavia porcellus (Rodentia), 



Homo sapiens (Primates) 

 MYSTKOWSKA-BACZKOWSKA, Ms. E. T.; Dr.biol. - Lab. of Exper. Embryol., Inst, of Obstet. and 



Gynecol., Medical Academy, Karowa 2, 00-315 WARSZAWA, Poland 

 a Embryonic development. Clethrionomys glareolus (Rodentia) 

 b Interspecific chimaeric embryos. Mus musculus, Clethrionomys glareolus (Rodentia) 

 NAAKTGEBOREN, C; Dr. - Dept. of Obstet. and Gynecol., Wilhelmina Gasthuis, le Helmerstr. 104, 



1054 EG AMSTERDAM, Netherlands 

 NADAL, CI.; Dr. Med., D.Sc. - Unite de Physiol. Cell., U22, INSERM, Inst, du Radium, Batiment 110, 



91405 ORSAY, France 

 a Substances regulating the number of hepatic cells during life and the regeneration after partial 



hepatectomy. Rattus norvegicus (Rodentia) 

 b Hepatic polyploidy, its development during life and its control system. Same species as a 

 c Appearance of a hepatocyte mitosis inhibiting system at the slowing down of the growth, charac- 

 teristic of the transition towards the adult state. Same species as a 

 NAGEL, J.; D.Sc. - Lab. de Physiol. Anim., Univ. de Reims, B.P. 347, 51062 REIMS Cedex, France 

 NAGEL, Ms. M. D.; Dr.3e cycle - Lab. de Physiol. Anim., Univ. de Reims, B.P. 347, 51062 REIMS 



NAGL, W.;'Dr., Prof. - Abt. Cytol., Fachber. Biol, der Univ., Postfach 3049, 6750 KAISERSLAUTERN 



1, BRD (Germany) 

 a Ultrastructural differentiation and nuclear development (endomitosis) in Malpighian tubules. 



Gerris najas (Heteroptera) 

 b Autolysis of the embryonal suspensor (ultrastructure, cytochemistry). Phaseolus coccineus 



(Papilionaceae), Tropaeolum majus (Tropaeolaceae) 

 c Cell differentiation and differential DNA replication in the embryo-trophoblast system. Homo 



sapiens (Primates) 

 d Differential DNA replication as factor of differentiation, morphogenesis, phase change and floral 



induction in plants. Hedera heUx (Araliaceae), Sambucus racemosa (Caprifoliaceae), Rhoeo dis- 

 color (Commelinaceae) 

 e Nuclear differentiation, DNA and RNA synthesis in the retina. Cavia porcellus (Rodentia) 

 NAIR, Ms. G.; M.Sc. - Dept. of Physiol., Royal Vet. CoU., Royal CoUege St., LONDON NWl OTU, 



England 

 a Respiration and acid-base regulation during hatching. Gallus domesticus, Coturnix cotumix, 



Columba Uvia (Aves) 

 NAMUR, Ms. P.; D.E.A. - Lab. d'Embryol., Dept. de Biol.-Ecol., U.E.R. de Sci., Univ. de Caen, 



14032 CAEN, France 

 a fitude experimentale de Taction d'antimetabolite au cours du developpement precoce du germe. 



Ambystoma mexicanum (Urodela) 

 NANDAKUMARAN, M.; M.Sc. - Lab. de Biol, de la Reprod., Univ. Paris VI (P. et M. Curie), Bat. A, 



7e etage, 7 quai Saint-Bernard, 75230 PARIS Cedex 05, France 

 a Placental transfer of betamimetics and ritodrine (in vitro perfusion). Homo sapiens (Primates) 

 b Effect of monoamine oxidase inhibition on placental transfer of sympathomimetics in vitro. Same 



species as a 

 NANO, Ms. R.; Dr. - Inst, of Comp. Anat., Univ. of Pavia, Piazza Botta 10, 27100 PA VIA, Italy 

 a Isoprenaline induced modifications of liver cells (ploidy, structure, metabolism) during postnatal 



development. Rattus norvegicus (Rodentia) 

 b Histochemistry of tetrahydrofolate dehydrogenase in embryonic and adult erythropoiesis. Gallus 



gallus (Aves), Rattus norvegicus (Rodentia) 

 NARDI, Ms. I.; Dr. Biol. - Inst, of Histol. and Embryol., Univ. of Pisa, Via A.Volta 4, 56100 PISA, 



Italy 

 a Mitotic and lampbrush chromosomes; DNA analysis and in situ RNA/DNA hybridization. (Uro- 

 dela) 

 NARDI VILARDAGA, J. - Dept. of Anat., Univ. of Barcelona, C/.Casanova 143, BARCELONA 36, 



Spain 

 a Influence of extrinsic factors on joint development. (Aves) 



b Interaction between membranous and cartilaginous developing bones in vivo and in vitro. (Aves) 

 NAVARATNAM, V.;Ph.D. - Anat. School, Univ. of Cambridge, Downing St., CAMBRIDGECB2 3DY, 



England ,• x ,, 



a Ontogenesis of cholinesterase and mono-amine activity in cardiac innervation. (Mammalia), Homo 



sapiens (Primates) 

 b Differentiation of sympathetic gangUa. Rattus spec. (Rodentia) 

 NAYLOR, E.; Ph.D., D.Sc, Prof. - Dept. of Marine Biol., Univ. of Liverpool, PORT ERIN, Isle of Man, 



UK 



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