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epicardium

Tricuspid valve

Auricle

Visceral layer

Pectinate muscle

Left ventricle

Acute pericarditis

myocardium

Fibrous pericardium

Right ventricle

Chordae tendineae

Mitral valve

Heart wall

endocardium

Fibrous skeleton

Serous pericardium

Chronic pericarditis

Left atrioventricular valve

made of cardiac muscle

pumps blood to lungs via the pulmonary artery

has 2 layers (thin outside visceral layer of serous pericardium made of mesothelium), inside made of delicate fibroelastic tissue and adipose tissue

Tendons that hold AV valves. They connect to papillary muscles.

pouches on anterior surface of atrium that increases capacity of atrium to hold more blood

Right atrioventricular valve

tough, non elastic, made of dense irregular connective tissue and anchors heart to mediastinum

accumulation of pericardial fluid in heart wall that affects heart filling with blood, heart output and cause low blood pressure

also called epicardium

thin layer of endothelium thin layer of endothelium

found in inside of right atrium, that extend into auricle

thin, delicate double layer around heart with outer parietal and inner visceral layers

4 rings that are fused and support the 4 heart valves and prevent overstretching and separate flow of electrical impulses

sometimes caused by viral infection

has 3 layers epicardium, myocardium and endocardium

has a thicker wall, and pumps blood through aorta to all over the body