Heart 

 

Precordium

The heart is pyramidal in shape and hence it has a base and apex and superior, inferior, left and right borders. It is divided into a sternocostal or anterior surface, a base, and a diaphragmatic surface.

Organ of circulation which has four chambers as follows

It also has a covering of pericardium.

Middle myocardium and inner

endocardium

Its valves are

Arteries to pericardiumpericardium

Veins of the pericardium

Nerves of pericardium

Arteries of heart

The blood supply to the heart is via the

The venous drainage is via

The coronary sinus carries the blood from the cardiac veins (great cardiac, middle cardiac and small cardiac) while the remaining (venae cordae minimae)  and the anterior cardiac veins drain directly into the heart chambers.

Nerve supply to the heart

This is via the

Superficial cardiac plexus and

Deep cardiac plexus

 

Nodes of the heart

Cardiac skeleton

 

 

Others

Heart valves

Heart structure

Heart nodes

Heart dissection

Heart rotation

Surface markings of valves

Precordium

 

 

 

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Electronic School of Medicine
Creator: Oluwole Ogunranti


Thorax dissection video     Thorax-abdomen dissection video     Double click for full screen 


Heart and major vessels


Digital locator: Roll over mouse to label, click to restart

Layers
1- skin; 2- fasciae, 3- muscles, 4 -endothoracic fascia 5- mediastinum

 

Rotation of heart: Roll over mouse to label; click to open


Roll over to label; click to demonstrate precordium

 

 

 

 

 

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Structure of heart
Heart apex
Heart dissector
Heart valve