Manual Of Human Embryology The Germ Cells PDF Download

Excerpt from The Development of the Human Body: A Manual of Human Embryology Somewhat more than seventy years ago (1839) one of the funda mental principles oi biology was established by Schleiden and Schwann as the celliheory. Iaccordingto this, all organismsare composed of one or more structural units termed cells, each of which, in multicellular organisms, maintains an individual existence and yet contributes with its fellows to the general existence of the-indi vidual. Viewed in the light of this theory, the human body is a community, an aggregate of many individual units, each of which leads to a certain extent an independentexistence and yet both contributes to and shares in the general welfare of the community. 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.