Zah'Zwi 



ZAHND, P.J.J. Dr.en Med., Lie. es Sci. — Inst. d'Bmbryol., Fac. dc Med., 

 1 Place dc I'Hopital, STRASBOURG, France 



a. Formation de I'oeuf; physiologie; ultrastructure. (Pisces: Reptilia; 

 Aves) 



b. Organogenese (ultrastructure) du pancreas. Gallus domesticus (Aves) 



c. Maturation in the central nervous system, with special reference to the 

 visual area and the motor nuclei of the myelenccphalon (electron micro- 

 scopy). Oryctolagus cuniculus ( Lagomorpha) (in collaboration with J. 

 E. GRUNER) 



d. Study of cultured embryonic tissues (liver, heart muscle; organotypic 

 and histiotypic) submitted to different drugs (steroid hormones partic- 

 ularly); electron microscopy. Gallus domesticus (Aves) (in collabora- 

 tion with J.V.RUCH) 



e. Embryology of thymic tissue (electron microscopy). (Rodentia) 

 ZAMBONI, L. M.D. — Dept. of Pathol., Harbor General Hosp., TOR- 

 RANCE. Cahf.. U.S.A. — Dept. of Pathol, UCLA School of Med., 

 LOS ANGELES 24, Cahf., U.S.A. 



a. Electron microscope studies on the embryonic meso- and metanephros. 

 Homo sapiens (Primates) 



b. Electron microscope studies on the embryonic hemopoietic organs. 

 Homo sapiens (Primates) 



c. Electron microscope studies on fertilization processes. (Mammalia) 

 ZAVANELLA, Miss T. Dr.Biol.Sci. — Catt. di Anat. comp., Univ. di Mila- 



no. Via Celoria 10. MILANO. Italia 



a. Induction of tumors; tumorigenic activity of acellular extracts and of 

 nucleic acids from these tumors. Triturus cristatus (Urodela) 

 ZEILMAKER, G.H. — Netherlands Cancer Inst.. Sarphatistr. 108. AM- 

 STERDAM. Netherlands 



a. Endocrine aspects of blastocyst-implantation. Rattus norvegicus (Ro- 

 dentia) 

 ZELENA (TOPICOVA), Mrs.J. MUDr.. C.Sc. — Lab. of Electr. Microsc. 

 Inst, of Physiol., Czechoslovak Acad, of Scis., Flemingovo n.2, PRAHA 

 6, Czechoslovakia 



a. Development of stretch-receptors in muscles with an augmented nerve 

 supply. Rattus norvegicus (Rodentia) 



b. Stretch-receptors in regenerating muscles. Rattus norvegicus (Roden- 

 tia) 



c. Development of acytylchohnesterase activity in muscles during the foe- 

 tal and early postnatal stages. Rattus norvegicus (Rodentia) 



ZENKER, W. Dr.med. — Anat. Inst., Wahringerstr. 13, WIEN 9, Oester- 

 reich 



ZERBIB, C. Dipl. d'Etudes Sup. — Lab. de Genet, evolutive du C.N.R.S., 

 GIF-sur-Yvette (S. et O.), France 

 a. Controle endocrinien de la differenciation sexuelle. Lithobius forficatus 

 (Chilopoda) 



ZEUTHEN. E. Dr.phil.. M.I.I.E., Prof. — Biol. Inst, of the Carlsberg Foun- 

 dation, 16 Tagensvej, COPENHAGEN N, Denmark 



ZILLER (SENGEL). Mrs.C. Lic.es Sci. — Inst. d'Embryol. et Teratol. 

 exper. du C.N.R.S., 49bis Avenue de la Belle Gabrielle, NOGENT sur 

 Marne (Seine), France 



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