a Fonctions, morphogenese et cytophysiologie du trophoblaste intra-arteriel. Rattus norvegicus 



(Rodentia) 

 b Effets de I'ovariectomie tardive sur I'ultrastructure et la fonction endocrine du placenta. Meme 



espece comme a 

 c Progesterone plasmatique et tissulaire et activite steroidogene du placenta apres ovariectomie ; 



effets sur la survie foetale. Meme espece comme a 

 d Analyse experimentale du determinisme hormonal de la parturition. Meme esfjece comme a 

 LEGRAND (HAMELIN), Ms. E.; Dr., Prof. - Lab. de Biol. Anim. (Physiol, et Genet, des Crustaces), 



Univ. de Poitiers, 40 av. du Recteur-Pineau, 86022 POITIERS Cedex, France 

 a Controle genetique et humoral du sexe. Idotea balthica (Isopoda, Crustacea) 

 b Effect of temperature, photoperiod and salinity on inversion of sex and intersexuality. Same 



species as a 

 LEGRAND, J. J.; Dr., Prof. - Lab. de Biol. Anim. (Physiol, et Genet, des Crustaces), Univ. de Poitiers, 



40 av. du Recteur-Pineau, 86022 POITIERS Cedex, France 

 a Controle genetique, epigenetique et humoral du sexe chez des especes gonochoriques. Porcellio 



dilatatus, ArmadiUidium vulgare (Isopoda, Crustacea) 

 b Action at cellular and organic level of infectious agents (bacteroids, virus) and of external factors 



(temperature, photoperiod) on inversion of sex and intersexuality. Same species as a 

 c Absence of symbionts (bacteroids) in the egg and of the hybrid genotype as causes of sterility 



(developmental arrest at early cleavage). Porcellio dilatatus petiti x P.d. dilatatus (Isopoda, Crus- 



LEGRELE, C; Dr.3e cycle - Lab. de Physiol. Anim., Univ. de Reims, B.P. 347, 51062 REIMS Cedex, 

 France 



LEHMANN, K.; Dr.rer.nat. - Lehrst. Exp. Morphol., Zool. Inst, der Univ., Weyertal 119, 5000 KOLN 

 41, BRD (Germany) 



a Structural and biochemical aspects of flight muscle protein and z-disc development during meta- 

 morphosis. Ephestia kiihniella, Galleria mellonella, Manduca sexta (Lepidoptera) 



LEHTO, V. P. - Dept. of Pathol., Univ. of Helsinki, Haartmaninkatu 3, 00290 HELSINKI 29, Finland 



a Development of connective tissue components in foetal dermis, (with S. STENMAN and E. 

 LINDER) 



LEHTO NEN, E. I.; M.D. - Lab. of Exp. Embryol., Dept. of Pathol., Univ. of Helsinki, Haartmaninkatu 

 3, 00290 HELSINKI 29, Finland 



a Mechanism of kidney tubulogenesis. Mus musculus (Rodentia) (with L. O. SAXEN, S. NORDLING, 

 P. EKBLOM and J. SALONEN) 



b Morphogenetic movements during cleavage. Mus musculus (Rodentia) (with C. F. GRAHAM, 

 Univ. of Oxford) 



LEIBENGUTH, F.; Dr.rer.nat., Prof. - Inst, fur Genet., Univ. des Saariandes, 66 SAARBRUCKEN 11, 

 BRD (Germany) 



a Mechanisms controlling ontogeny and tissue distribution of isoenzyme patterns by differential 

 allele activity. Ephestia {- Anagasta) kiihniella (Lepidoptera) 



b Onset of embryonic gene expression in vivo and in vitro. Drosophila melanogaster (Diptera) 



LEIKOLA, A. H. A.; Ph.D. - Lab. of Exp. Embryol., Dept. of Zool., Univ. of Helsinki, Arkadiankatu 

 7, 00100 HELSINKI 10, Finland 



a Primary determination during gastrulation. Gallus domesticus, Coturnix coturnix (Aves) 



LELIEVRE, Ms. C. S. - Inst. d'Embryol. du C.N.R.S. et du Coll. de France, 49bis av. de la Belle 

 Gabrielle, 94130 NOGENT-sur-MARNE, France 



a Early determination of neural crest derivatives, especially mesectodermal and ganglion derivatives. 

 Gallus gallus, Coturnix c. japonica (Aves) 



b Experiments with interspecific chimeras on morphogenesis of vagus nerve. Same species as a 



LEME^, L.; MUDr., Doc- Dept. of Anat., Charles Univ., U.nemocnice 3, 128 000 PRAH A 2, Czecho- 

 slovakia 



a Experimental topogenesis and teratology of the pneumogastric system. Gallus domesticus (Aves) 



b Thrombocyte development. Same species as a 



LE MOIGNE, A.; Prof. - Lab. de Biol. Anim., Univ. Paris XII (Val de Marne), av. du Gen. de Gaulle, 

 94000 CRfiTEIL, France 



a Developpement embryonnaire (microscopic electronique). (Planariidae, Turbellaria) 



b RNA and protein synthesis, and cellular differentiation in regeneration (electron microscopy, 

 biochemistry). Same species as a 



c DNA synthesis during regeneration. Same species as a 



LEMTIS, H. G.; Dr.med., Prof. - Spec. Team of Exp. Gynecol, of the Dept. of Obstet. and Gynecol., 

 Klin. Steghtz, Free Univ. of Berlin, Hindenburgdamm 30, 1 BERLIN 45, BRD (Germany) 



a Architecture of fetal and maternal placental blood vessels (corrosion preparations), and correla- 

 tion of abnormal placental circulation with congenital malformations. Homo sapiens (Primates) 



LENDER, Th.; Prof. - Lab. de Biol. Anim. A, Fac. des Sci., Univ. Paris-Sud, Bat. 445, 91405 ORSAY, 



T7|-orif»g 



LENDON, R. G.; Ph.D. - Dept. of Anat., The Univ., Stopford Bldg., Oxford Rd., MANCHESTER 



M13 9PT, England 

 a Embryogenesis of drug induced renal cystic disease. Rattus norvegicus (Rodentia) 

 LENICQUE, P. M.; D.Sc. - Lab. de Biol, des Invert. Marins et Malacol., Museum Natl. d'Hist. Nat., 



57 rue Cuvier, 75005 PARIS, France 

 LENZ, W.; Dr.med., Prof. - Inst, fur Humangenet., Westf. Wilhelms Univ., Vesaliusweg 12-14, 4400 



MUNSTER, BRD (Germany) 

 a Etiological classification of skeletal malformations. Homo sapiens (Primates) 

 LEONE, v.; M.D. - Cat. di Embriol. e Morfol. Sperim., Univ. di Milano, Via Celoria 10, 20133 



MILANO, Italy 

 68 



