Vendeur : Forgotten Books, London, Royaume-Uni
Paperback. Etat : New. Print on Demand. This book investigates the evolution of the sternum, a bone in the ventral rib cage, across vertebrates. The author argues that the sternum is not a product of the ventral ends of the costal cartilages but rather a derivative of the shoulder girdle, supporting this view with evidence from ontogeny and phylogeny. By comparing stages in the development of the mammalian sternum with the adult pectoral girdle of the shark, the author traces the structure's evolution from a continuous bar of cartilage across the ventral midline into separate sternal bands and ultimately the segmented sternum found in mammals. The book challenges the widely accepted theory of costal origin of the sternum and presents a compelling case for the coracoidal theory of sternal origin, providing new insights into the homology of the sternum throughout vertebrates. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. N° de réf. du vendeur 9780428148300_0
Quantité disponible : Plus de 20 disponibles
Vendeur : PBShop.store US, Wood Dale, IL, Etats-Unis
PAP. Etat : New. New Book. Shipped from UK. Established seller since 2000. N° de réf. du vendeur LW-9780428148300
Quantité disponible : 15 disponible(s)
Vendeur : PBShop.store UK, Fairford, GLOS, Royaume-Uni
PAP. Etat : New. New Book. Shipped from UK. Established seller since 2000. N° de réf. du vendeur LW-9780428148300
Quantité disponible : 15 disponible(s)