1. The formation of the right and left heart ventricles from the ventricular part of the cardiac tube during embryogenesis

   • V. A. Mglinets

   Reviews Pages: 61 - 70

2. Aspects of the genetic control of development of the autonomous nervous system

   • L. I. Korochkin

   Reviews Pages: 71 - 88

3. Dynamics of inorganic ions in microspore and pollen grain during development of the tobacco male gametophyte

   • D. S. Andreyuk
   • N. P. Matveeva
   • I. P. Ermakov

   Developmental Biology of Plants Pages: 89 - 94

4. Ooplasmic segregation and axis formation in the polychaeteNereis virens embryo

   • R. P. Kostyuchenko
   • A. K. Dondua

   Experimental Embryology Pages: 95 - 105

5. About possible functional interaction between serotonin and neuropeptides in control processes of embryogenesis (Experiments on embryos ofTritonia diomedea)

   • A. O. D. Willows
   • L. A. Nikitina
   • G. A. Buznikov

   Experimental Embryology Pages: 106 - 112

6. Influence of the culture medium composition on cattle oocyte maturation and embryogenesisin vitro

   • I. G. Smetanina
   • L. V. Tatarinova
   • A. S. Krivokharchenko

   Mammalian Embryology Pages: 113 - 116

7. The effect of periovulatory imbalance of prolactin on the expression of prolactin receptors in rat ovary cells

   • T. Kotok
   • R. L. Bogorad
   • O. V. Smirnova

   Physiology of Development Pages: 117 - 123

8. History of contemporary chromosome Analysis: The fundamental contribution of Caspersson’s works

   • A. V. Zelenin
   • N. V. Zoshchuk

   History of Science Pages: 124 - 130