Potential Differences Across the Chorion of the Fundulus Egg

Name: Potential Differences Across the Chorion of the Fundulus Egg
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ISBN: 9781025915098

Margaret Sumwalt

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English

Tradd Street Press
14 February 2026

Biology, life sciences; Fishes (ichthyology); Amphibians; Reptiles

Summary
Details

""Potential Differences Across the Chorion of the Fundulus Egg"" is a rigorous scientific study exploring the electrochemical properties of the developing fish embryo. Written by Margaret Sumwalt, this work focuses on the membrane known as the chorion that surrounds the egg of the Fundulus, a genus of fish frequently utilized in early developmental research. Sumwalt meticulously examines the electrical potential differences that exist across this membrane, providing empirical data and observations that contribute to the broader scientific understanding of cellular permeability and embryonic physiology.

The study delves into the biophysical mechanisms that regulate the internal environment of the egg during its early stages of life. By measuring and analyzing potential differences under various experimental conditions, the work offers insights into how the chorion functions as a selective barrier between the developing organism and its environment. This text remains a significant historical resource for those interested in the history of embryology, marine biology, and the fundamental principles of electrophysiology in biological systems. Its detailed methodology and focused inquiry highlight the precision of early 20th-century experimental biology, making it an informative reference for researchers and historians of science studying membrane transport and vertebrate development.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you may see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.

This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.

As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

By: Margaret Sumwalt
Imprint: Tradd Street Press
Dimensions: Height: 234mm, Width: 156mm, Spine: 2mm
Weight: 54g
ISBN: 9781025915098
ISBN 10: 1025915097
Pages: 28
Publication Date: 14 February 2026
Audience: General/trade , ELT Advanced
Format: Paperback
Publisher's Status: Active