Acta Biologica 8. Supplementum (1957)

Index

INDEX Plenary sessions Sedlmayr, К. : Biological research in the Institute for Plant Breeding and Growing at Sopronhorpács ........................................................................................................................................... 7 Zólyomi, В. : The zonal plant associations of Hungary .................................................................. 7 Kretzoi, M. : Coenogenesis ............................................................................................................................... 8 Maucha, R, : Biological basis of fish-production ................................................................................ 9 Dudich, E. : Research problems concerning the fauna of Hungary........................................... 11 Ábrahám, A. : The structure of cardiac ganglia ................................................................................. 11 Szentágothai, J. : The significance of dimensional conditions of synaptic contact surfaces 12 Kellner, B. ; The significance of amitosis and multinuclear cells in tumour growth .... 13 Section for experimental zoology, biochemistry and physiology Törő, I. : Changes in the structure of the spleen on its excision in successive generations 15 Haranghy, L. : Effect of 3,4-benzopyrene on fresh-water mussels ........................................... 15 Pósalaky, Z.—Hajdi, Gy. : Experimental studies of the destiny of spermatozoa not parti­cipating in the fertilisation process .................................................................................................. 16 Mödlinger, G. — Odorfer, M.—Kondics, L. : Morphophysiological studies on rodents con­cerning the effect of light and darkness further the female oestrus cycle ............... 16 Krompecher, I. : Quantitative and qualitative adaptation ....................................................... 17 Simon, P. — Tóih, N. : Adrenal development in hypopliysectomised chick embryos ... 18 Kovách, A. — Irányi, M.— Antal, J. — Gosztonyi, Gy. : Investigations concerning the hypo­thalamic regulation of the hypophyseal-adrenal system ...................................................... 18 Bálint, P. — Fekete, Â.—Hajdú, A.—Kiss, E. : Response of the dog to intravenous saline 19 Medgyesy,P.—Endröczi,E. : Investigations into the evolution of the pituitary-adrenocortical system ............................................................................................................................................................... 19 Székely, G. : Recent investigations into the functional polarity of the retina ...................... 20 Bíró, N. A. —Nagy, B. : The basic process — in the muscle — of the conversion of chemical energy into work......................................................................................................................................... 20 Tigyi, J. : Exchange of potassium and phosphorus isotopes in the active muscle ............ 21 Makarész, D. : The mechanism of fluid mobilization and of concentration work in biology 21 Jendrassik, L. — Faiszl, J. —Lantos, T. : Early chemical processes of muscular and neural activity ......................................................................................................................................................... 22 Krámli, A. : The significance of electrometry in the study of biological processes .......... 23 Kramer, M. — Straub, F. B. : A study of the phases in inductive enzyme formation .... 23 Rappay, Gy. : The mitosis stimulating effect of homogenized tumour cells ........................ 24 Dányi, Zs. : A histochemical study of dehydrogenase activity in ascites tumour cells ... 24 Vadász, J. : A study of some atypical forms of cellular reproduction ...................................... 25 Horányi, В. : Chorioid plexus and senium .............................................................................................. 25 Nyíró, Gy.— Friedrich, P. : Changes in the ’’psychic” structure in old age........................... 26 Section for zoology, paleontology, anthropology and hydrobiology Zimmermann, A. : Comparative investigations concerning some scarcely-known or mis­interpreted muscles................................................................................................................................. 27 Kotlán, S. : Ixodids of Hungary as vectors of infectious and parasitic diseases in man and animals ......................................................................................................................................................... 28 l*3

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