Слайд 2Plan:
Size, Location, and Orientation
Coverings
Heart Wall
Chambers
Chest x ray
![Plan: Size, Location, and Orientation Coverings Heart Wall Chambers Chest x ray](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/380405/slide-1.jpg)
Слайд 5Heart Anatomy
Size, Location, and Orientation
Enclosed in the mediastinum
Base (posteriorsuperior
![Heart Anatomy Size, Location, and Orientation Enclosed in the mediastinum Base (posteriorsuperior](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/380405/slide-4.jpg)
portion) and Apex (inferioranterior portion)
Слайд 6Heart Anatomy
Coverings
Pericardium
protects the heart
anchors the heart to surrounding
![Heart Anatomy Coverings Pericardium protects the heart anchors the heart to surrounding](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/380405/slide-5.jpg)
structures such as the diaphragm and the great vessels
prevents overfilling of the heart with blood
Слайд 7Heart Anatomy
Coverings
pericardial cavity contains a film of serous fluid
pericarditis: inflammation
![Heart Anatomy Coverings pericardial cavity contains a film of serous fluid pericarditis:](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/380405/slide-6.jpg)
of the pericardium which may lead to adhesions between the layers or the buildup of fluid in the pericardial cavity (cardiac tamponade)
Слайд 8Heart Anatomy
Heart Wall
Epicardium
Myocardium
bulk of the heart consisting mainly of
![Heart Anatomy Heart Wall Epicardium Myocardium bulk of the heart consisting mainly of cardiac muscle](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/380405/slide-7.jpg)
cardiac muscle
Слайд 9Heart Anatomy
Heart Wall
Endocardium
simple squamous epithelium and a thin CT layer
![Heart Anatomy Heart Wall Endocardium simple squamous epithelium and a thin CT](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/380405/slide-8.jpg)
that lines the heart chambers and valves and is continuous with the endothelial lining of the blood vessels
Слайд 11Heart Anatomy
Chambers
Atria
Features
small, thin-walled chambers
Functions
receiving chambers for blood returning
![Heart Anatomy Chambers Atria Features small, thin-walled chambers Functions receiving chambers for](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/380405/slide-10.jpg)
to the heart from the circulation
push the blood into the adjacent ventricles.
Слайд 12Heart Anatomy
Chambers
Atria
Receive blood from
right side
Superior and Inferior Vena Cava
![Heart Anatomy Chambers Atria Receive blood from right side Superior and Inferior](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/380405/slide-11.jpg)
Coronary Sinus (draining the myocardium)
left side
Pulmonary Veins
Слайд 13Heart Anatomy
Chambers
Ventricles
Features
make up most of the mass of the heart
![Heart Anatomy Chambers Ventricles Features make up most of the mass of](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/380405/slide-12.jpg)
the walls of the left ventricle are 3X thicker than those of the right
Слайд 14Heart Anatomy
Chambers
Ventricles
Functions
discharging chambers of the heart
propel blood
![Heart Anatomy Chambers Ventricles Functions discharging chambers of the heart propel blood](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/380405/slide-13.jpg)
to Pulmonary Trunk (right ventricle), Aorta (left ventricle)