Publisher's Synopsis
Excerpt from Annual Report of the Laboratory of Biochemical Genetics, National Heart, Lung, and Blood Institute: October 1, 1985 Through September 30, 1986
Antigenic molecules termed top, which are distributed in a dorsal ventral concentration gradient in chicken retina, were purified. Top was shown to be a protein with an Mr of The gradient of top in the retina is formed early in embryonic development. Thereafter, perpetuation of the gradient does not depend on the continuous presence of an extracellular gradient of diffusable molecules or on maintenance of interactions between cells. Synapses and neurites in the retina of developing chick embryos were reduced markedly by injection of anti - top antibody into the eye. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
