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- The main function of the myocardium is to facilitate the contraction and relaxation of the heart walls in order to receive and pump the blood into the systemic circulation. In addition, the myocardial cells provide a scaffold for heart chambers and conduct electrical stimuli.
www.kenhub.com/en/library/anatomy/myocardium
Oct 30, 2023 · 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.
- Circulatory System
Circulatory system. The circulatory system, also called...
- Pericardium
Between the layers is the pericardial cavity, a potential...
- Circulatory System
- Dilated Cardiomyopathy
- Hypertrophic Cardiomyopathy
- Restrictive Cardiomyopathy
- Arrhythmogenic Right Ventricular Dysplasia
- Transthyretin Amyloid Cardiomyopathy
Dilated cardiomyopathy causes the cardiac muscle tissue of the left ventricle to stretch and the heart’s chambers to dilate.
Hypertrophic cardiomyopathy (HCM) is a genetic condition in which the cardiomyocytes are not arranged in a coordinated fashion and are instead disorganized. HCM can interrupt blood flow out of the ventricles, cause arrhythmias (abnormal electrical rhythms), or lead to congestive heart failure.
Restrictive cardiomyopathy (RCM) refers to when the walls of the ventricles become stiff. When this happens, the ventricles cannot relax enough to fill with an adequate amount of blood.
This rare form of cardiomyopathy causes fatty infiltration in cardiac muscle tissue in the right ventricle.
Transthyretin amyloid cardiomyopathy (ATTR-CM) develops when amyloid proteins collect and form deposits in the walls of the left ventricle. The amyloid deposits cause the ventricle’s walls to stiffen, which prevents the ventricle from filling with blood and reduces its ability to pump blood out of the heart. This is a form of RCM.
Nov 7, 2024 · Location. The myocardium is located between the epicardium (outer layer) and the endocardium (inner layer) of the heart. It forms the bulk of the heart wall and is found in all four chambers of the heart, with the myocardium being thickest in the left ventricle, which is responsible for pumping oxygenated blood to the entire body.
Jul 30, 2023 · 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 sarcomeres that allow for contractility.
- 2023/07/30
Aug 8, 2023 · Cardiac muscle (or myocardium) makes up the thick middle layer of the heart. It is one of three types of muscle in the body, along with skeletal and smooth muscle. The myocardium is surrounded by a thin outer layer called the epicardium (AKA visceral pericardium) and an inner endocardium.
- Anthony Saxton, Muhammad Ali Tariq, Bruno Bordoni
- 2023/08/08
- 2018
Sep 2, 2023 · Cardiac muscle tissue is located in the middle of three layers of the heart, called the myocardium. It is the thickest of the three layers. On its outer surface, the myocardium is surrounded by a thin, protective layer called the pericardium. On its inner surface, it is lined by the endocardium.
Apr 5, 2018 · It performs involuntary, coordinated contractions that allow your heart to pump blood through your circulatory system. Cardiac muscle tissue is one of the three types of muscle...
