Acta Biologica 31. (1980)

1-3. szám

EDITOR J. SALÁNKI EDITORIAD BOARD V. CSÁNYI В. FLERKÓ I. KISS (Editorial Assistant) T. KOVÁCS St. KROMPECHER G. SZABÓ G. SZÉKEL,Y A. TIGYI I. TÖRŐ (Chairman) VOLUME 31 NUMBER г 3 AKADÉMIAI KIADÓ BUDAPEST 1980 ABAHAU 31 (1-3) 1—39* (1980) | CONTENTS T örő, I.: Service in Biological Sciences.............................................. 5 Á ros, В.—Wenger, T.—Röhlich, P.—Vien, B. Vigh- Teichmann, Ingeborg: Immunocytochemical studies on the central nervous system of the earthworm, Lum­bricus lerrestris ................................................................................ 13 B Anky, Zs.—Halász, В.: Reversed effect of chlorpromazine on hypothalamic serotonin levels of rats with complete deafferentation of the medial basal hypothalamus .... 2Г> B lazsek, I.: Regulation of T lymphocyte differentiation and proliferation by thymus hormones, Ca2+ and chalone-T 33 Csaba, G.—Németh, G.: Changes of receptor cooperation in Tetrahymena by re-exposure to hormones ......................... 43 C sillik, B.—Knyihár-Csillik, E.: Fine structural localiza­tion of calcium binding sites in the neuromuscular junction .............................................................................................. 49 F amiliari, G.—Мотта, P. M.: Morphological changes of mouse spermatozoa in uterus as revealed by scanning and trans­mission electron microscopy ..................................................... 57 F'azekas, I.—Gyévai, A.—Bácsy, E.—Rapp ay, Gy.: Rat intermediate lobe cell groups in suspension culture: M orphological and functional characteristics .................... 69 F öldes, I. Módis, L.—Antalffy, J.—Ádám, I.: IJltrastruc­­ture of extracellular matrix of embryonic chick limb b ud cartilage .................................................................................... Й1 F ranks, L. M.: Cancer und ageing ..................................................... 97 Gyévai, A.: Fine structure of, and ACTH production by, human fetal pituitaries taken at different periods of gestation. An in vitro study....................................................... 107 Continued on inside back cover

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