Zaa-Zwi 



ZAAIJER, Miss J. J. P. Ph.D., M.I.I.E. — Lab. for Cytol. and exper. Histol., 

 Fac. of Med., State Univ., Rijnsburgerweg 10, Boerhaavekwartier, LEI- 

 DEN, Netherlands 



a. Cartilage and bone formation in vitro. Gallus gallus (Aves), Homo 

 sapiens (Primates) 



b. Muscle fibre development. Homo sapiens (Primates) 



c. Toe development. Homo sapiens (Primates) 



ZABINSKI, J. M.Sc. — Dept. of Exper. Zool, Polish Acad, of Sci., ul. Ko- 



pernika 7, KRAKOW, Poland 

 a. Experimental induction of immunological tolerance in embryos and adult 



animals. Transfer of immunological tolerance to F 1 generation. Mesocri- 



cetus auratus, Mus musculus, Rattus spec. (Rodentia) (in collaboration 



with Mrs. I. SPISAK (PLONKA) and Mrs. A. SKOWRON (CEN- 



DRZAK)) 

 ZAFFAGNINI, F. Dr. — 1st. di Zool., Via S. Giacomo 9, BOLOGNA, 



Italia 

 a. Role of nurse-cells and follicular cells in oogenesis. Daphnia magna 



(Cladocera) 

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



1 Place de l'Hopital, STRASBOURG, France 



a. Developpement du squelette. Facteurs influengant de developpement. 

 Anas spec. (Aves) 



b. Formation de l'oeuf. Physiologie; ultrastructure. (Pisces; Reptilia) 



c. Recherches sur le determinisme de la symetrie bilaterale. Ultrastructure. 

 (Pisces; Reptilia) 



ZAMORSKA, Miss L. M.A. — Dept. of Exper. Zool., Polish Acad, of Sci., 

 ul. Kopernika 7, KRAKOW, Poland 



a. Enzymatic background of the regeneration process. Triturus spec, Xeno- 

 pus laevis (Amphibia) (in collaboration with J. M. NIWELlNSKI) 



b. ^-Glucuronidase activity in transplanted regeneration blastemas. Am- 

 by stoma spec. (Urodela) (in collaboration with J. M. NIWELlNSKI) 



ZELENA, Mrs. J. MUDr., Cand.Med.Sci. — Inst, of Physiol., Czechoslovak 

 Acad, of Sci., Na cvicisti 2, PRAHA 6, Czechoslovakia 



a. Development of tendon organs. Rattus norvegicus (Rodentia) 



b. Nerve regeneration in early ontogenesis. Rattus norvegicus (Rodentia) 

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



reich 



a. Development of the organon buccotemporale (Chievitz). (Mammalia) 



b. Development of the sulcus buccalis and anguius oris. Homo sapiens (Pri- 

 mates) 



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

 dation, 16 Tagensvej, COPENHAGEN N, Denmark 



a. Study with Cartesian divers of mitotic rhythm in oxygen uptake and in 

 carbon dioxyde output during cleavage period. (Ciliata; Echinoidea) 



b. Studies on the biochemistry and physiology of synchronized cell systems. 

 Tetrahymena pyriformis (Holotricha, Ciliata) (in collaboration with 

 K. HAMBURGER and P. PLESNER) 



c. Studies on growth and division in pure cultures. Acanthamoeba spec. 

 (Amoebidae) (in collaboration with L. RASMUSSEN) 



ZIMMERMAN, A. A. M.I.I.E., Prof. — Dept. of Anat., Coll. of Med., 

 Baylor Univ., HOUSTON, Texas, U.S.A. 



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