This book is based on a week-long symposium which was held at Liblice near Prague in September 1962, and which was attended by workers from many parts of the world.
This volume, which is now issued under the Elsevier imprint, first appeared through publication by the Czechoslovak Academy of Sciences. It is to be hoped that it will find a wide distribution. Rigid application of the cell doctrine has tended to overemphasize the autonomy of individual cells and tissues. The problem of "trophic" interactions which might regulate functional relations among cells and, indeed, even the internal composition of cells, has been largely ignored. Thus, this volume in calling attention to data on the interrelations between nerve and muscle cells makes an important contribution to speculatively inclined biologists in all fields. Eccles has posed this problem well in his brief introductory paper.
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