Acta Physiologica 76. (1990)
1. szám
Electron microscopie studies on radiation-induced changes of cell surface negative charges Z. Somosy, Tamara Kubasova, Orsolya Csuka, G. J. Köteles.................................................. 143 Sexual steroid levels and their clinical significance in the early neonatal age Eva Dvorácsek, Zsuzsa Kassai, J. Török, ^í. Balogh ............................................................ 151 Changes in arachidonic acid content of X-irradiated human lymphocytes and plasma membrane fractions Tamara Kubasova, Márta Száméi, J. Somogyi, G. J. Köteles.................................................. 159 NUMBER III Classification of the follicle population based on oocyte diameter and number of granulosa cells in the ovary of large-eared hedgehog, Hemiechinus Auritus gmelin A. Kumar, S. D. Pandey ................................................................................................................... 165 Information processing to rare and frequent warning stimuli in a C. N. V. paradigm J. F. Hamon.............................................................................................................................................. 175 In vitro effect of 4-amino-5- imidazole-carboxamide-phosphate (Aica-P) on the enzyme activity and expression of superoxide dismutase Györgyi Mazes, Gy. Deák, I. Láng, К. Nékám, P. Gergely, J. Fehér................................. 183 Nephrotoxic effect of the specific brain serotonin depletor para-chlorophenylalanine O. C. Ikonomov, A. G. Stoynev, Iva I. Goranova-Stoyneva, ^4. Popov, Violina A. M inkova....................................................................................................................................................... 191 Role of photoperiod and temperature in production of the oestrus-inducing pheromone in male wild mice S. C. Pandey, S. D. Pandey .............................................................................................................. 201 Effect of restriction in daily feeding periods on reproduction in the female rat R. K. Parshad........................................................................................................................................... 205 Thyroid hormone effects upon Na + K+ dependent adenosine triphosphatase activity of microsomal fraction of liver, muscle and brain of toad, Bufo melanostictus Shyam Sundar Dey, A jit Kumar Medda...................................................................................... 211 Modulation of dopamine-induced hypermotility following injection of various opioids into the nucleus accumbens Franciska Erdő, Katalin Polgár, Ildikó Máté,J. I. Székely.................................................. 219 Effects of alternating 45-min light-dark cycles on sleep in the rat Z. Lelkes, G. Benedek, P. Alföldi, J. Hideg.................................................................................... 229 The effect of elective surgery on serum N-acetyl -D-glucosaminidase activity E. Harjú, P. Ehrola, T. Koivula .................................................................................................... 237 Long-term effects of a single cadmium chloride injection on the ovulation, ovarian progesterone and estradiol-17 secretion in rats Katalin Paksy, B. Varga, G. Folly ............................................................................................... 245 Neonatal treatment with phénobarbital, zixoryn and chlorampheniol. Lack of imprinting effect of zixoryb on microsomal enzyme activities A. Vas, 7. Szabó, M. Kur ez, J. Bence ......................................................................................... 313 Effect of free radicals in ischaemic renal failure in the dog L. Kónya, P. Bencsáth, G. Szénási, L. Takács, Zsuzsanna Schaff A. Vereckei, J. Fehér 319 Diaphragmatic fatigue in the rat P. IFa/i, Л. Я. Suer, С. Я. Dark............................................................................................. 333 Anticariogenic effect of fluoridated milk and water in rats Jolán Bánoczy, ß. Ritlop, Gy. Solymosi, Ágota Gombik, ^4. Adatia ............................... 341 NUMBER IV Modulatory effect of oxytocin and arginin-vasopressin on functional properties of three types of acetylcholine receptors in molluscan neurons E. A. Dyatlov ........................................................................................................................................... 253 Effect of tetracycline on lymphocyte antigen expression J. Jakab, Я. Petze ................................................................................................................................. 261 Potential role of SH groups in the radiosensitivity of adenylate cyclase A. Takáts, V-H. Binh, L. Berták.................................................................................................... 265 Bidirectional compartmental approximation of realistic nerve cell structures F. Pongrácz................................................................................................................................................ 273