• The epicardium is a thin layer of connective tissue and fat serving as an additional layer of protection for the heart. (onteenstoday.com)
  • The outer border is formed by the subepicardial layer, which is interconnected to the epicardium, the latter consisting of a lining of mesothelial cells, a subserosal layer of connective tissue and a variable amount of epicardial fatty tissue. (radiopaedia.org)
  • The heart wall is composed of connective tissue, endothelium, and cardiac muscle.It is the cardiac muscle that enables the heart to contract and allows for Other articles where Endocardium is discussed: animal development: Circulatory organs: …tube, which will become the endocardium, or lining of the heart. (web.app)
  • The middle layer of the endocardium is connective tissue and smooth muscle. (web.app)
  • The epicardium consists mostly of connective tissue and serves to protect the inner structures of the heart. (wise-geek.com)
  • It is located between the endocardium and the epicardial layer of the pericardium within the walls of the cardiac chambers arranged in different sheets wrapped around in different orientations. (radiopaedia.org)
  • Note that the atrial endocardium is very thick but that the ventricular endocardium is very thin. (web.app)
  • Endocardial fibroelastosis (EFE) refers to a pronounced, diffuse thickening of the ventricular endocardium and presents as unexplained heart failure in infants and children. (medscape.com)
  • Ventrikulärt kardiomyocyte coimmunostained för L-typ kalcium kanal avsedda för en viss undersökningstyp, se "Bildåtergivningslägen och undersökningstyper tillgängliga per Mäta med vävnadsdopplerkurva (TDI, Tissue Doppler Imaging). (web.app)
  • The underlying pathophysiology of endocardial fibroelastosis (EFE) is believed to be deposition of acellular fibrocartilagenous tissue in the subendothelial layer of the endocardium predominantly involving the inflow tracts, apices of either left or both ventricles. (medscape.com)
  • Starting from segmentation contours which outline the endocardium and the epicardium for several slices and over several phases of motion and stress levels, we construct two surfaces which approximate the shape of the left ventricular wall. (actapress.com)
  • Specific chapters are devoted to various muscle and non-muscle cell lineages involved in heart development, including those of the neural crest, endo- and epicardium, fibroblasts, coronary vessels, and cardiac conduction and lymphatic systems. (cshlpress.com)
  • Using pulse-chase genetic lineage tracing, we establish that de novo vessel formation constitutes a substantial component of the neovascular response, with apparent cellular contributions from the endocardium and coronary sinus. (jci.org)
  • Although ventricular activation from the His Purkinje system starts in the endocardium and spreads to the epicardium the epicardium actually repolarizes first because it has a shorter action potential duration.6 As a result epicardial pacing prolongs repolarization in the endocardium with its longer baseline action potential duration leading to an increase in the QT interval and prolongation of the transmural dispersion of repolarization. (immune-source.com)
  • The endocardium is a thin layer of epithelial cells , similar to that which lines the inside of blood vessels . (wise-geek.com)
  • BNP also stimulated the proliferation of WT1 + epicardium-derived cells but only in the hypoxic area of infarcted hearts. (elifesciences.org)
  • On the inside this muscle is provided with a lining of flat cells called the endocardium, which is direct contact with the blood within the heart. (daviddarling.info)
  • This activation front propagates from endocardium to epicardium. (wustl.edu)
  • The inner visceral layer, also known as the epicardium, is one of the layers of the heart wall that adheres tightly to the surface of the heart. (vedantu.com)
  • Enveloping the myocardium is the smooth outer layer known as the epicardium, while the inner lining is called the endocardium. (abuomr.com)
  • Specific chapters are devoted to various muscle and non-muscle cell lineages involved in heart development, including those of the neural crest, endo- and epicardium, fibroblasts, coronary vessels, and cardiac conduction and lymphatic systems. (cshlpress.com)
  • 6. Local conduction time after β-adrenoceptor blockade was prolonged, reaching a maximum at 20 s [epicardium: 41.2 ± 4.8 (control) and 65.9 ± 8.6 ms at 20 s: endocardium: 47.5 ± 7.4 (control) and 87.3 ± 13.1 ms at 20 s]. (portlandpress.com)
  • Dose residual conduction occur across the mitral isthmus (MI) endocardium, epicardium, or both? (authorea.com)
  • The endocardium is a thin layer of epithelial cells , similar to that which lines the inside of blood vessels . (wise-geek.com)
  • Endocardium- Inner most layer that consists of epithelium and connective tissues that contains many elastic and collagenous fibers. (hugepdf.com)
  • Fresh necrosis of the anterior wall of the left ventricle and anterior portion of the septum was present, extending from the endocardium to the inner half of the ventricular wall. (wikidoc.org)
  • This is a low-power photomicrograph of the left ventricular free wall extending from the epicardium (1) to the endocardium (2). (wikidoc.org)
  • Starting from segmentation contours which outline the endocardium and the epicardium for several slices and over several phases of motion and stress levels, we construct two surfaces which approximate the shape of the left ventricular wall. (actapress.com)
  • Transmural infarct: entire thickness of wall from endocardium to epicardium. (brainkart.com)
  • Directly beneath the endocardium is a pale area consisting of cardiac myocytes exhibiting vacuolar degeneration (1). (wikidoc.org)
  • Flecainide or quinidine decreased the pacing rates at which this occurred, through reducing basic cycle distance, in the Scn5a+/- RV epicardium, directly predictive of its arrhythmic phenotype. (uea.ac.uk)
  • Point-to-point correspondence between the endocardium and the epicardium of a cardiac MRI study. (uva.es)
  • We moreover describe the expression patterns of a subset of available zebrafish Wilms' tumor 1 transgenic reporter lines and discuss their specificity, applicability and limitations in the study of epicardium formation. (mdpi.com)
  • Multifocal to coalescing, white, firm, slightly raised nodules (0.2 to 0.5 cm in diameter) are present on the epicardium. (avma.org)
  • She previously underwent pulmonary vein (PV) isolation for paroxysmal atrial fibrillation, linear ablation between the 3'o clock position of the mitral annulus (MA) and left PV from the endocardium, and ablation inside the coronary sinus (CS) for perimitral atrial tachycardia (PMAT) in the first procedure. (authorea.com)
  • Activation mapping in the left atrial (LA) endocardium using a three-dimensional mapping system (CARTO3, Biosense Webster, Diamond Bar, CA, USA) revealed a sequence of counterclockwise rotations of the MA. (authorea.com)
  • Maximum θ′ was lower in Scn5a+/- RV epicardium than endocardium. (uea.ac.uk)
  • The large differences in θ′ and APD restitution contrasted with minor differences in maximum λ′ between epi- and endocardia of untreated hearts, and quinidine-treated WT hearts. (uea.ac.uk)
  • In this article, we review current knowledge on the cellular and molecular mechanisms underlying epicardium formation in the zebrafish, a teleost fish, which is rapidly gaining status as an animal model in cardiovascular research, and compare it with the mechanisms described in other vertebrate models. (mdpi.com)
  • To quantify strain, the motion of the speckles was tracked between the epicardium and endocardium for 3 consecutive cardiac cycles. (ecu.edu)