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Chordae tendineae

Acute pericarditis

Pectinate muscle

Right ventricle

Fibrous skeleton

Tricuspid valve

myocardium

Visceral layer

Mitral valve

epicardium

Auricle

Heart wall

Serous pericardium

Left ventricle

Chronic pericarditis

Fibrous pericardium

endocardium

made of cardiac muscle

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

also called epicardium

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

found in inside of right atrium, that extend into auricle

Left atrioventricular valve

sometimes caused by viral infection

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

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

has 3 layers epicardium, myocardium and endocardium

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

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

Right atrioventricular valve

thin layer of endothelium thin layer of endothelium

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

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

pumps blood to lungs via the pulmonary artery