YAMAMOTO, T. Dr.Med., Dr.Med.Sci., Prof. — Dept. of Anat, Fac. of Med., Kyushu 



Univ., FUKUOKA, 812 Japan 

 YAMAMOTO, T. D.Sc, Prof. — Biol. Inst., Fac. of Sci., Nagoya Univ., Chikusa-ku, 

 NAGOYA, Japan • 



YAMAMOTO, T. S. D.Sc. — Zool. Inst., Fac. of Sci., Hokkaido Univ., North 10, West 8, 



SAPPORO, 060 Japan 

 a Cytochemistry of development. (Teteostei) 

 YAMAMURA, H. M.D. — Dept. of Anat., Sch. of Med., Hiroshima Univ., Kasumi-cho, 



HIROSHIMA, Japan 

 YAMANA, K. D.Sc, Prof. — Dept. of Biol., Fac. of Sci., Kyushu Univ., Hakozaki-cho, 



FUKUOKA, 812 Japan 

 a Regulation of ribosomal RNA synthesis during embryonic development. Xenopus laevis 



(Anura) 

 YANAGIMACHI, R. Ph.D. — Dept. of Anat., Univ. of Hawaii, 1960 East- West Rd., 



HONOLULU, Hawaii 96822, U.S.A. 

 a I n v i t r o fertilization and development of eggs. Mesocricetus auratus, Rattus norvegicus, 



Mus musculus (Rodentia) 

 b Chromosomes and development. Same species as a 

 YANAGISAWA, T. D.Sc, Prof. — Embryol. Sect., Dept. of Biol., Tokyo Metropolitan 



Univ., 2-1-1 chome, Fukazawa-machi, Setagaya-ku, TOKYO, 158 Japan 

 a Phosphagens in egg and spermatozoa. (Echinodecmata) 



b Ion exchange and paper chromatography of the nature of the acid-soluble nucleotides in 

 the egg and their changes during development. Hemicentrotus spec, Anthocidavis spec, 

 Pseudocentrotus spec. (Echinoidea) , Asterias spec, Asterina spec (Asteroidea) 

 c Tracer experiments on phosphate, sugar, and nucleic acid metabolism of embryo. (Echino- 



dermata) 

 YARDIN, M. H. M.D., D.D.S. — U.E.R. d'Odontol., 2 place Pasteur, 35 RENNES, France 

 a Morphology of jaw development in the young animal. Oryctolagus cuniculus (Lagomorpha) 

 b Experimental morphogenesis in the young animal: muscle ablations, neurotomy, dental 



bud transplantation etc. Same species as a 

 YASUDA, M. M.D. — 2nd Dept. of Anat., Kyoto Prefectural Univ. of Med., Kawaramachi- 



Hirokoji, Kamikyo-ku, KYOTO 602, Japan 

 a Epidemiology of anomalies in embryos. Homo sapiens (Primates) 

 b Chromosome aberrations and sex ratio in embryos. Homo sapiens (Primates) 

 c Morphogenesis of certain malformations of extremities in embryos. Homo sapiens 



(Primates) 

 d Teratogenicity of herbicides and pesticides. Rattus norvegicus (Rodentia) 

 YASUDA, Mrs Y. M.D. — Dept. of Anat., Kyoto Univ., Konoe-cho, Yoshida, Sakyo-ku, 



KYOTO 606, Japan 

 a Comparative study on in vitro development of organ primordia. Mus musculus 



(Rodentia), Homo sapiens (Primates) 

 YNTEMA, C. L. Ph.D., Prof. — Dept. of Anat., Upstate Med. Centre, State Univ. of New 

 York, 766 Irving Ave., SYRACUSE, N.Y. 13210, U.S.A. • 



a Acceptance of homografts and xenografts during embryonic stages. (Chelonia) 

 YOSHIDA, K. Ph.D. — Div. of Radiotherapy, Oncology Lab., Mercy Hosp., 1400 Locust 



St., PITTSBURGH, Pa. 15219, U.S.A. 

 a Macromolecular synthesis during lens differentiation in vitro. Gallus domesticus 



(Aves) 

 YOSHIKAWA, I. — Dept. of Genet., School of Med., Nagasaki Univ., 12-4, Sakamoto- 



machi, 852 NAGASAKI, Japan 

 a Radiation genetics (embryo, germ cells). Drosophila melanogaster (Diptera) 

 YOUNG, B. A. M.D., Ph.D. — Anat. School, Univ. of Cambridge, Downing St., CAM- 

 BRIDGE CB2 3DY, England 

 a Electron microscopy of the placenta. (Pinnipedia, Cetacea) 

 b Electron microscopy of developing endocrine glands. (Pinnipedia, Cetacea) 

 YU (KOU), Mrs. N. W. B.S. — Dept. of Biomorph., Natl. Defense Med. Center, P.O.Box 



7432, TAIPEI 107, Taiwan, Republ. of China 

 a Reversibility of sex transformation with temperature treatment. Rana catesbeiana (Anura) 

 YUKAWA, O. M.Sc. — Div. of Biol., Natl. Inst, of Radiol. Sci., 9-1, 4-chome, Anagawa, 



CHIBA, 280 Japan 

 a Function of microsomes in developing liver. Rattus norvegicus (Rodentia) 

 YVROUD, Miss M. — Lab. d'Anat. Comp., Fac. des Sci. d'Orsay, Batiment 441, 91 ORSAY, 



France 

 ZAAYER, Miss J. J. P. Ph.D. — Lab. for Cell Biol, and Histol.. State Univ., Rijnsburgerweg 

 10, LEIDEN, Netherlands • 



a Hormonal activity of fetal gonads and adrenal glands with regard to the development of 

 the reproductive tract (organ culture). Cavia porcellus (Rodentia), Homo sapiens 

 (Primates) 

 b Hormonal activity of the placenta in organ culture. Cavia porcellus (Rodentia) 



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