Ultrastructure in Biological Systems, Volume 6: Ultrastructure of the Mammalian Heart focuses on the mammalian heart with some cross-reference to that of other vertebrates, such as birds. This book is divided into four main topics- ultrastructure of ventricular and atrial myocardium; impulse generation and conduction system of the heart; embryologic development of the mammalian heart; and ultrastructure of the innervation of the mammalian heart. In these topics, this publication specifically discusses the sarcotubular system (SR), contractile apparatus, general description of cellular morpholo