Acta Biologica 22. (1971)

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ACADEMIAE SCIENTIARUM HUNGARICAE ADIUVANTIBUS G. CSABA B. FEERKÓ В. GYÖRFFY f St. KROMPECHER J. SAEÁNKI REDIGXT I. TÖRŐ TOMUS XXII FASCICULUS I AKADÉMIAI KIADÓ, BUDAPEST 1971 INDEX Hahanghy, L.: Investigations on the life-span limitation of mussels as example of telometric growing animals 3 Földes, L—VAczi, L. jr. —Módis, L.: The role of lipids in enchondral ossification .............................................................. 9 Talukder, G. — Sharma, A. K.: Chromosome analysis of some malignant human neoplasms ...................................................... 19 Johst, K. — Kellermayer, M.: On the submicroscopic struc­ture of chromosomes........................................................................... 25 Gubicza, A. — S.-Rózsa, К.: Direct axonal connections in the central nervous system of Lymnaea stagnalis L............. 33 HadhAzy, Cs. —H. Oláh, É. —K. Kiss, É.: Studies on car­tilage formation. XIII....................................................................... 43 Fóris, G.: Effect of serum from endotoxin-treated rats on isolated Trypanosoma equiperdum .......................................... 53 Prandini, B. —H. Oláh, É. —HadhAzy, Cs.: Studies on cartilage formation. XIV .................................................... 59 Kallak, H.—Yarvekylg, L.: On the cytogenetic effects of 2,4-D on pea callus in culture................................................... 67 Naguib, M. I. — Ibrahim, A. M. M.: Effect of salinity, nitrate or calcium ions on the accumulation of storage substances by Chromulina pascheri................................................................... 75 Kormos, J.: On the structure of the centroplast ...................... 81 Naguib, M. I. —Ibrahim, A. M. M.: Conditions for culturing Chromulina pascheri ......................................................................... 85 Recensâmes ............................................................................................................ 87

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