Myocardium: definition, structure and function | Kenhub
网页2023年10月30日 · The myocardium is the middle muscular layer of the heart. It is the thickest layer which lies between the single-cell endocardium layer, and the outer epicardium, which makes up the visceral pericardium that surrounds and protects the heart.
The 3 Layers of the Heart Wall - ThoughtCo
网页2024年7月26日 · The three heart wall is divided into three layers: epicardium, myocardium, and endocardium. Epicardium: the outer protective layer of the heart. Myocardium: muscular middle layer wall of the heart. Endocardium: the inner layer of the heart.
Layers of the heart: Epicardium, myocardium, endocardium
网页2023年11月3日 · Definition, function and anatomy of the myocardium. This article will discuss the layers of the heart (the epicardium, the myocardium and the endocardium) and any clinical relations pertaining to them. In the same way that vehicles have their fuel pumps, our body has the heart.
Physiology, Cardiac Muscle - StatPearls - NCBI Bookshelf
网页2023年7月30日 · Cardiac muscle also called the myocardium, is one of three major categories of muscles found within the human body, along with smooth muscle and skeletal muscle. Cardiac muscle, like skeletal muscle, is made up of …
Anatomy, Thorax, Heart Muscles - StatPearls - NCBI Bookshelf
网页2024年6月22日 · The heart muscle, or myocardium, comprises the middle and thickest layer of the heart wall (see Image. Heart Muscles). The myocardium lies between the endocardium, which lines the inner chambers, and the epicardium, the inner pericardial layer that surrounds and protects the heart.
Cardiac muscle tissue: Definition, function, and structure
网页2019年6月21日 · Cardiac muscle tissue, or myocardium, contains cells that expand and contract in response to electrical impulses from the nervous system.
17.1F: Myocardial Thickness and Function - Medicine LibreTexts
网页The myocardium, or cardiac muscle, is the thickest section of the heart wall and contains cardiomyocytes, the contractile cells of the heart. As a type of muscle tissue, the myocardium is unique among all other muscle tissues in the human body.
Cardiac muscle - Wikipedia
网页Cardiac muscle (also called heart muscle or myocardium) is one of three types of vertebrate muscle tissues, the others being skeletal muscle and smooth muscle. It is an involuntary, striated muscle that constitutes the main tissue of the wall of the heart.
Myocardium of the Heart - ThoughtCo
网页2020年1月13日 · Myocardium is the muscular middle layer of the wall of the heart. It is composed of spontaneously contracting cardiac muscle fibers which allow the heart to contract. Heart contraction is an autonomic (involuntary) function of …
Cardiac muscle | Definition, Function, & Structure | Britannica
网页The heart consists mostly of cardiac muscle cells (or myocardium). The outstanding characteristics of the action of the heart are its contractility, which is the basis for its pumping action, and the rhythmicity of the contraction.