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20 terms

Exercise 27

Major heart structures and great vessels
STUDY
PLAY
Coronary muscle
Arteries that supply bood to caridic muscle
Myocardium
Layer of heart wall containing cardiac muscle
auricles
Extensions of atria
Mediastinum
Heart is located here (area between the lungs)
Endocardium
Lines the heart chambers
Apex
Pointed inferior part of the heart
Ventricle
Two heart pump; lower heart chambers
Atria
Superior heart chambers
Epicardium
Another name for visceral pericardium
Base
Wide superior part of the heart
Oxygen-poor
Blood pumped by right ventirlce (oxygen-rich or oxygen-poor)
Oxygen-rich
Blood pumped by left ventricle (oxygen-rich or oxygen-poor)
Papillary muscle
Enlarged muscles in ventircles attached to chordae tendinae
Trabeculae carneae
Muscle ridges in ventricels
Pectinate muscle
Ridges in anterior wall of right atrium
Chordae tendinaea
Strings attached to AV cusp
Inferior vena cava
Blood vessels that returns blood from the bosy inferior to the heart
Mitral bicuspid
The valve located between the left ventricle and the aorta
Fossa ovalis
A membrane between the atria that closes after birth
Tricuspid valve
The valve located between the right atrium and right ventricle