domesticus (Aves), Mus musculus (Rodentia) 

 LUDWIG, K. S.;Dr.med., Prof. - Anat. Inst, der Univ., Pestalozzistr. 20, 4056 BASEL, Switzerland 

 a Histocliemistry of ripening ovarian follicles and the influence of steroid hormones. Rattus spec, 



Mesocricetus auratus (Rodentia), Homo sapiens (Primates) 

 LUGER, O.; Dr. - Inst, fur Molek.biol., Abt. Biol., Osterreich. Akad. der Wissensch., Billrothstr, II, 



5020 SALZBURG, Austria 

 a Control of differentiation and DNA synthesis in heterokaryons and cell hybrids. (Aves; 



Mammalia) 

 b Muscle differentiation in vitro; influence of fusion with somatic cells. (Aves; Mammalia) 

 LUI, A.; Dr.biol., Prof. - Dept. of Zool., Univ. of Zagreb, Rooseveltov trg 6, 41000 ZAGREB, 



Yugoslavia 

 LUKE, D. A.; DOrthRCS - Dept. of Oral Anat., Dental School, Northumberland Rd., NEWCASTLE 



upon Tyne NEI 8TA, England 

 a Effects of steroid hormones on oral mucosa in vitro. Mus musculus (Rodentia) 

 b Effect of mast cell degranulation on proliferation in oral epithehum. Same species as a 

 LUND.QUIST, A.; Fil. Mag. - Zoophysiol. Inst., Univ. of Lund, Helgonavagen 3, 223 62 LUND, 



Sweden , 



LUTZ, H.; D.Sc, Prof. - Lab. de Biol. Anim., Univ. do Clermont, B.P. 45, 63170 AUBIERE, France 

 a Developpement du blastoderme pendant les premieres heures de I'incubation. Anas spec. (Aves) 

 b Culture in vitro du blastoderme. (Aves) (avec Y. LUTZ-OSTERTAG) 

 c Formation de I'entoblaste. (Aves) 



d La polyembryonie experimentale; I'orientation des embryons. (Aves) 

 e Polyembryonie experimentale. (Salmonidae, Teleostei) (avec Y. LUTZ-OSTERTAG) 

 f Action des ultra-sons sur I'embryon et sur differents organes. Gallus spec. (Aves) (avec Y. 



LUTZ-OSTERTAG) 

 g Action des pesticides sur le developpement de I'embryon. (Aves) 

 h Free-martinisme spontane. (Aves) (avec Y. LUTZ-OSTERTAG) 

 LUTZ (OSTERTAG), Ms. Y.; D.Sc. - Lab. de Biol. Anim., Univ. de Clermont, B.P. 45, 63170 



AUBltRE, France 

 a La genese de I'asymmetrie du tractus genital et la regression des canaux de Miiller par la methode 



d'explantations. Gallus spec. (Aves) 

 b Role des hormones dans la differenciation primaire du sexe. Gallus spec, Coturnix coturnix 



(Aves) 

 c Polyembryonie experimentale. (Salmonidae, Teleostei) (avec H. LUTZ) 



d Action des ultra-sons sur I'embryon et sur differents organes. Gallus spec. (Aves) (avec H. LUTZ) 

 e Culture in vitro du blastoderme. (Aves) (avec H. LUTZ) 

 f Free-martinisme spontane. (Aves) (avec H. LUTZ) 

 g Hybridation. Anas spec. (Aves) 



h Action des pesticides sur le developpement de I'embryon. (Aves) 

 LY THI Ba, Ms.; Dr. - Lab. de Bot., Fac de Pharm. Paris-Sud, rue J. B. Clement, 92290 CHATENAY- 



MALABRY, France 

 a Comparative embryogenesis and phylogenetic relations. (Ranales; Helobiae) 

 b Scanning electron microscopy of embryogenesis. Potamogeton spec. (Helobiae), Helleborus spec. 



(Ranales) 

 c Experimental embryogenesis: callus formation and development, embryoid formation. Potamo- 

 geton spec (Helobiae). Myosurus spec. Delphinium spec, Actaea spec. (Ranales) 

 LYON, Ms. M. F.; Sc.D. - MRC Radiobiol. Unit, Didcot, HARWELL, 0X1 1 ORD, England 

 a Developmental genetics of mutant genes; X-chromosome inactivation; experimental chimaeras. 



Mus musculus (Rodentia) 

 McAVOY, J.W.; Ph.D. - Nuffield Lab. of Ophthalmol., Univ. of Oxford, Walton St., OXFORD, 



England 

 a Patterns of cell division and alpha, beta and gamma crystallin synthesis during development and 



growth of the lens. Rattus spec. (Rodentia) 

 McGEADY, T. A.; Prof. - Dept. of Vet. Anat., Univ. CoU., DUBLIN, Ireland 

 McGOVERN, P. T. - Dept. of Anat., Royal Vet. Coll., LONDON NWl OTU, England 

 MACHA, J.; RNDr. - Dept. of Exp. Zool., Charles Univ., Vinicna 7, 12844 PRAHA 2, Czechoslovakia 

 McKENZIE, J.; M.D. - Dept. of Devi. Biol., Marischal Coll., Univ. of Aberdeen, ABERDEEN AB9 



IAS, Scotland, U.K. 

 a The metabolic characteristics of different tissues in the early embryo. Gallus gallus (Aves) 

 b The effects of exogenous RNA on the early embryo and cell cultures. Same species as a 

 c Myoblast/fibroblast relationships in monolayer cultures. Same species as a 

 d The state of cell differentiation in early embryos. Same species as a 

 e Growth and differentiation in vitro of heart muscle. Same species as a 

 McLaren, Anne; Ph.D. - MRC Mammal. Devi. Unit, Univ. Coll. London, Wolfson House, 4 



Stephenson Way, LONDON NWl 2HE, England 

 a Influence of genotype and early embryonic environment upon development, investigated by in 



vitro cultivation of early embryos. Mus musculus (Rodentia) 

 b Blastocyst-uterine interactions during the early stages of implantation, and during physiological 



and experimental delay of implantation. Same species as a 

 c Sexual differentiation and origin of coat colour patterns in experimental chimaeras formed from 



aggregation of embryos of different genotype. Same species as a 

 d Growth and differentiation of trophoblast in vivo and in vitro. Same species as a 

 McLEAN, J. M.; M.D. - Anat. Dept., The University, MANCHESTER MI3 9PL, England 

 a Development of immunological mechanisms in the foetus. (Mammalia) 



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