TUCHMANN-DUPLESSIS, H.; Prof. - Lab. d'Embryol., U.E.R. Biomed., 45 rue des Sts.Peres, 75270 



PARIS Cedex 06, France 

 a Anencephalie. Homo sapiens (Primates) 

 b Teratogenese par sulfamides hypoglycemiants, antimetabolites. Rattus spec. (Rodentia) (avec 



L. MERCIER) 

 c Influence des hormones sur le developpement foetal. Meme espece comme b 

 d Influence des alcaloides du Rauwolfia, de la reserpine et de la deserpidine sur le developpement. 



Meme espece comme b (avec L. MERCIE'lR) 

 e Influence des neuroleptiques sur la fertilite et le developpement foetal. Rattus spec, Mus spec. 



(Rodentia), Oryctolagus cuniculus (Lagomorpha) 

 f Diabete experimental et grossesse. (Mammalia) 

 g Influence des antimitotiques, des anticonvulsants et de la prostaglandine F2a sur la gestation. 



Meme espece comme e (avec L. MERCIER) 

 TUDDENHAM, E. G. D.; M.B., B.S., M.R.C.P. - Dept. of Haematol., Welsh Natl. Sch. of Med., Heath 



Park, CARDIFF, Wales, U.K. 

 TUDOSE, Ms. O.; Dr.med. - Dept. of Med. Biol., Med. School, P-Ja 23 August 1, 1900 TIMI§OARA, 



Rumania 

 a Vascular development in the embryonic central nervous system. Callus domesticus (Aves) 

 b Somatic chromosomal constitution of subjects with genetic defects. Homo sapiens (Primates) 

 c Genetic, developmental and hormonal aspects of gonadal dysgenesis and sex inversion. Same 



species as b 

 TUFT, P. H.; Ph.D. - Dept. of Zool., Univ. of Edinburgh, West Mains Rd., EDINBURGH EH9 3JT, 



Scotland, U.K. 

 TUMANISHVILI, G. D.; Dr., Prof. - Dept. of Developm. Biol., Inst, of Exp. Morphol., Acad, of Sci. 



of the Georgian SSR, Digomi, 380059 TBILISI, U.S.S.R. 

 a Role of chemical intercellular interactions in regulation of the rate of cell multiplication and 



intracellular synthesis studied in cell cultures and in vivo. Gallus domesticus (Aves), Rattus 



norvegicus, Mus musculus (Rodentia) 

 b Participation of intracellular substances in gastrulation. Misgurnus fossilis (Teleostei) 

 c Participation of nuclear and cytoplasmic substances in control of state of DNA in chromatin. 



Gallus domesticus (Aves), Rattus norvegicus (Rodentia) 

 TURA-CA-SZYBOWSKA, K.; Dr. - Dept. of Plant CytoL and Embryol., Inst, of Bot., Jagellonian 



Univ., Grodzka St. 52, 31-044 KRAK6w, Poland 

 a Embryology of a seed sterile population. Ranunculus penicillatus (Ranunculaceae) 

 b Endopolyploidy in the antipodals. Ranunculus penicillatus, R. peltatus (Ranunculaceae) 

 TURCHINI, J. P.; D.Med., D.Sc, Prof. - Lab. d'Histol.-Embryol.-Cytogenet., Fac. de Med., B.P.38, 



63001 CLERMONT-FERRAND Cedex, France 

 a Neonatal liver. Mus musculus (Rodentia) 

 TURNER, D. C; Ph.D. - Inst, of Cell Biol., Swiss Fed. Inst, of Technol., Honggerberg, 8093 



ZURICH, Switzerland 

 a In vitro myogenesis. Gallus domesticus (Aves), Rattus spec. (Rodentia) 

 b Control of cell proUferation. Gallus domesticus (Aves) 

 TURNER, S. C; Ph.D. - Dept. of Biol. Sci., Portsmouth Polytechnik, Park Rd., PORTSMOUTH POI 



2DY, England 

 a Growth, differentiation and degeneration of larval tissue during metamorphosis. Xenopus laevis 



(Anura) (with H. FOX, London) 

 TVOROGOVA, Ms. A. G. - Dept. of Anim. Embryol., Inst, of Zool., Acad, of Sci. of the Georgian 



SSR, 31 Chavchavadze Ave., TBILISI 380030, U.S.S.R. 

 TYSZKIEWICZ, Mrs. K.; D.Sc. - ZooL Dept., Jagellonian Univ., ul.Krupnicza 50, KRAKOW 2, 



Poland 

 a Embryogenesis of nervous system. Tetrodontophora bielanensis (Collembola) 

 UBBELS, Ms. G. A.; Ph.D. - Hubrecht Lab. (Intern. Embryol. Inst.), Uppsalalaan 8, 3584 CT 



UTRECHT, Netherlands 

 a Cytochemistry and electron microscopy of the origin of dorso-ventra] polarity of the egg: 



1. cytoplasm and pigment movements during grey crescent formation (with K. HARA and 



K. RZEHAK (Krakow)); 2. factors involved in cytoplasmic segregation; 3. possible role of neuro- 

 transmitters. Xenopus laevis, Discoglossus pictus (Anura) 

 b Establishment of bilateral symmetry in the uncleaved egg studied by transplantation of 



cytoplasm. Same species as a (with P. D. NIEUWKOOP) 

 ULLMANN, Ms. S. L.; Ph.D. - Dept. of Zool., Univ. of Glasgow, GLASGOW G12 8QC, Scotland, 



U.K. 

 a Poly ovular follicles. Mus musculus (Rodentia) 

 b Oogenesis. Isoodon macrourus (Peramelidae), Trichosurus vulpecula (Phalangeridae), Sarcophilus 



harissii (Dasyuridae, Marsupialia) 

 URBANI, E.; Prof. - 1st. di Istol. ed Embriol., Univ. di Roma, Citta Universitaria, 00185 ROMA, Italy 

 URSPRUNG, H.; Ph.D., Prof. - Swiss Fed. Inst, of TechnoL, 8092 ZURICH, Switzerland 



no embryological work in progress 

 UYLINGS, H. B. M.; Dr. - Netherl. Inst, for Brain Res., IJdijk 28, AMSTERDAM, Netherlands 

 a Adaptability of the nervous system of adult organisms, compared with normal development. 



Rattus norvegicus (Rodentia), Homo sapiens (Primates) 

 VACEK, Z.; MUDr., D.Sc, Prof. - Inst, of Embryol., Charles Univ., Albertov 4, 128 00 PRAHA 2, 



Czechoslovakia 

 a Electron microscopy and histochemistry of the placenta (comparative studies on the sub- 

 microscopic structure, enzyme histochemistry and transport mechanism). Homo sapiens 



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