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Cardiac muscle (also called heart muscle or myocardium) is one of three types of vertebrate muscle tissues, the other being skeletal muscle and smooth muscle. It is an involuntary, striated muscle that constitutes the main tissue of the wall of the heart. The cardiac muscle (myocardium) forms a thick middle layer between the outer layer of the ...
Cardiac excitation-contraction coupling ( Cardiac EC coupling) describes the series of events, from the production of an electrical impulse (action potential) to the contraction of muscles in the heart. [1] This process is of vital importance as it allows for the heart to beat in a controlled manner, without the need for conscious input.
Intercalated discs or lines of Eberth are microscopic identifying features of cardiac muscle. Cardiac muscle consists of individual heart muscle cells ( cardiomyocytes) connected by intercalated discs to work as a single functional syncytium. By contrast, skeletal muscle consists of multinucleated muscle fibers and exhibits no intercalated discs.
HANNA ARHIROVA. August 2, 2024 at 2:26 PM. PARIS (AP) — He calls himself a “troglodyte” with his brushes, oil paints, and large canvas among the photographers with expensive cameras and long ...
Relevance. The CCS grading system for angina is a clinical tool used by doctors to assess the degree of severity of a patient's angina. Whilst there are no defined therapy guidelines specific for each class, once the severity of the angina has been assessed, clinicians can use the framework to aid them in the development of an individual ...
Gina Vivinetto, TODAY. June 17, 2024 at 8:59 AM. Stu Forster. Gordon Ramsay says he’s “lucky to be here” after crashing his bicycle earlier this week in Connecticut. “I had a really bad ...
Two more Massachusetts state troopers linked to the Karen Read case are under an internal affairs investigation after her trial, which included allegations of a law enforcement effort to frame ...
Customer Support is a range of services to assist customers in making cost effective and correct use of a product. It includes assistance in planning, installation, training, troubleshooting, maintenance, upgrading, and disposal of a product. [1] Regarding technology products such as mobile phones, televisions, computers, software products or ...