The Life History, the Normal Fission and the Reproductive Organs of Planaria Maculata: A Dissertation Presented to the Board of University Studies of the Johns Hopkins University, for the Degree of Do - Hardcover

Winterton Conway Curtis

9780365705345: The Life History, the Normal Fission and the Reproductive Organs of Planaria Maculata: A Dissertation Presented to the Board of University Studies of the Johns Hopkins University, for the Degree of Do

Hardcover

ISBN 10: 0365705349 ISBN 13: 9780365705345

Publisher: Forgotten Books, 2018

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How planarians rebuild themselves after fission—and what drives every new tissue.

This detailed study follows Planaria maculata from the moment of division to the formation of functional organs, revealing the cells and processes that rebuild the head, pharynx, gut, and body fabric.

The book presents careful observations on the role of formative cells in regeneration, examining how these cells contribute to ectoderm, parenchyma, and the nervous system. It discusses the close relationship between growing gut tissue and nearby formative cells, and it traces how new structures emerge and mature through staged development. Rich with microscopic detail, the work situates these findings within broader questions about planarian biology and regeneration.

How formative cells drive the creation of new tissue after fission
The sequence of pharynx formation and the remodeling of the gut
Interactions between parenchyma and gut cells during regeneration
The broader implications for understanding regenerative biology in flatworms

Ideal for readers of historical zoological research, early 20th‑century physiology, and anyone curious about how simple animals rebuild complex bodies after division.

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