modification of thyroid hormone levels, administration of drugs (alpha-MSH etc.))- Same species 



as a 

 GROSCURTH, P.; M.D. - Div. of Cell Biol., Dept. of Anat., Univ. of Zurich, Gloriastr. 19, 



8006 ZURICH, Switzerland 

 a Pre- and postnatal development of the thymo-lymphatic system and the endocrine organs (light- 



and electron microscopy). Mus musculus (esp. mutant "nude"). (Rodentia), Homo sapiens 



(Primates) 

 b Viral induced embryo- and fetopathy (morphology, virology and immunology). Mus musculus 



and others (Rodentia), Homo sapiens (Primates) 

 GRUN, G.; Dr. - Lehrst. fur Spez. Zool., Ruhr-Univ., Universitiitsstr. 150, 4630 BOCHUM, B.R.D. 



(Germany) 

 a Ultrastructure and histochemistry of the differentiating retina. Tilapia spec. (Teleostei) 

 b Role of light in synaptic and axon terminal development in the retina. Same species as a 

 GRUNZ, H.; Dr.rer.nat. - Inst, fur Molec. Biol, und Biochem., Fachber. I (Vorklinik), Freie Univ., 



Ainimallee 22, 1000 BERLIN 33, B.R.D. (Germany) 

 a Changes of cell affinity and cell membranes after early embryonic induction. Triturus alpestris, 



Ambystoma mexicanum (Urodela) 

 b Mode of action of morphogenetic factors. Xenopus laevis (Anura), Triturus alpestris (Urodela) 

 GRYGOI^J-GOSTKIEWICZ, Ms. B.; Dr.biol. - Dept. of Zool., Inst, of Biol., Univ. of N.Copernicus, 



Gagarina 9, 87-100 TORUI^J, Poland 

 a Experimental developmental morphology of gonads in organ and cell culture. Cepaea spp. 



(Gastropoda) 

 GUARDABASSI, Ms. A.; Dr.nat.sci., Prof. - Inst, of Histol. and Embryol., Univ. of Torino, via 



Giolitti 34, 10123 TORINO, Italy 

 a Stabilising action of prolactin on lysosomal membranes; acid phosphatase activity in tail tips at 



metamorphosis. Xenopus laevis (Anura) 

 GUASTALLA, Ms. A.; Dr. - Inst, of Histol. and Embryol., Univ. of Torino, via Giolitti 34, 10123 



TORINO, Italy 

 a Hypothalamic control of thyroid activity before metamorphosis (1311, chromatography, partial 



brain extirpation). Bufo bufo (Anura) 

 GUEDENET, J. C; Ing. - Lab. de Biol. Med., Univ. de Nancy I, B.P. 1080, 54019 NANCY Cedex, 



France 

 a Developpement du complexe hypothalamo-hypophysaire. Gallus domesticus (Aves), Rattus 



norvegicus (Rodentia) 

 b Cytologic du spermatozoide. Homo sapiens (Primates) 

 GUERRE-MILLO, Ms. M. - 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 in vitro of anxiolytics and water soluble substances of different molecular 



weight. Homo sapiens (Primates) 

 GUERRIER, P. C; D.Sc. - Stat. Biologique, place Georges-Teissier, 2921 1 ROSCOFF, France 

 a Epigenesis of axial patterns during early development: intracellular activation and intercellular 



relations (microsurgery, isotope labeling). Dentalium spec. (Scaphopoda), Patella spec. (Gastro- 

 poda), Sabellaria spec. (Polychaeta) 

 b Morphogenetic significance of changes in membrane properties during meiosis and early develop- 

 ment. Asterias spec, Sphaerechinus spec. (Echinodermata), Sabellaria spec. (Polychaeta), 



Xenopus laevis (Anura) 

 c Hormonal control of meiosis reinitiation, cellular and biochemical aspects. Xenopus laevis 



(Anura), Marthasterias glaciahs (Asteroidea) 

 d Control of early embryogenesis. Sphaerechinus granularis (Echinoidea), Dentalium entale, Patella 



vulgata (MoUusca) 

 GUIET, Ms. A. BARA - Lab. de Biol, de la Reprod., Univ. Paris VI (P. et M. Curie), Bat. A, 



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

 a Consommation et diffusion d'oxygene et action d'inhibiteurs enzymatiques de respiration dans 



les lobules placentaires in vitro. Homo sapiens (Primates) 

 GUIGNARD, J.-L.; Prof. - Lab. de Bot., Fac. de Pharm. de Paris-Sud, rue J. B. Clement, 92290 



CHATENAY-MALABRY, France 

 a Differentiation of embryoids. Lychnis dioica (Caryophyllaceae), Cheiranthus cherii (Cruciferae) 

 GUILLEMIN, Ms. C; Dr.3e cycle - Lab. d'Embryol., Univ. Paris VI, 4 place Jussieu, 75230 PARIS 



Cedex 05, France 

 GUILLEMONAT, Ms. N.; Dr.spec. - Lab. de Morphogen. Veget., Univ. d'Aix-Marseille III, Fac. 



St-Jerome, rue Hemi Poincare, 13397 MARSEILLE Cedex 4, France 

 a Root morphogenesis (experiments with "minirhizotrons"): 1. regeneration, variations; 



2. geotropism control. Quercus ilex (Fagaceae) 

 GUILLERMET, Ms. C; M.Sc. - Lab. de Zool. et Biol. Anim., Univ. Sci. et Med. de Grenoble, B.P. 53, 



Centre de Tri, 38041 GRENOBLE Cedex, France 

 a Evagination and cell differentiation of imaginal discs in vitro. Drosophila melanogaster (Diptera) 

 GUILLET, C; Dr.spec. - Dept. de Biol. Gen. et Appl., Univ. de Lyon I, 43 Bd. du 11 Novembre 



1918, 69621 VILLEURBANNE, France 

 GUILLET (BERNARD), Ms. F.; Dr.3e Cycle - Lab. de Biol. Anim., Univ. Paris VI (P. et M. Curie), 4 



place Jussieu, 75230 PARIS Cedex 05, France 

 a Multiple forms of isoenzyme systems during ontogenesis. Pleurodeles waltl, P. poireti (Urodela) 

 GUIRAO-PEREZ, M.; Med. Dr., Prof. - Inst. F. Oloriz, Fac. of Med., Univ. of Granada, GRANADA, 



Spain 



44 



