Excerpt from Handbuch der Vergleichenden und Experimentellen Entwicklungslehre der WirbeltiereDorsal wird die Grenze zwischen Prosencephalon und Mesen cephalon durch eine Einknickung der Hirnwand bestimmt, an der ein die Mittelebene quer durchsetzender Faserstrang entsteht, eine Hirn kommissur. Es ist die hintere, die Commissura posterior, ep Fig. 13. Ventral giebt das Tuberculum posterius, zip, die Grenzmarke ab, danach ist die unterbrochene Grenzlinie in Fig. 12 gezogen.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.