Heart Anatomy I
left AV valve
What is the bicuspid or mitral?
sac enclosing heart
What is the pericardium?
returns blood to left atrium
What are pulmonary veins?
type of muscle comprising the myocardiu
What is cardiac?
medical term for heart attack
What is myocardial infarction?
chamber with thickest myocardium
What is the left ventricle?
creates heart sounds
What is valve closure?
prevents back flow into left atrium
What is the bicuspid?
outermost pericardial layer
What is fibrous pericardium?
type of muscle in the iris
What is smooth?
strands of connective tissue that connect AV valves to heart wall
What are chordae tendinae?
simple squamous epithelium lining the inside of myocardium
What is endocardium?
carries blood away from right ventricle
What is pulmonary artery?
condition of blood in pulmonary artery
What is deoxygenated?
too much aqueous humor
What is glaucoma?
anchor the chordae tendinae to ventricular wall
What are papillary muscles?
located between the parietal and visceral pericardiums
What is pericardial cavity filled with pericardial fluid?
carries blood away from left ventricle
What is aorta?
creates first heart sound
What is closure of the AV valves?
portion of EKG representing ventricular depolarization
What is the QRS complex?
drains blood from coronary blood vessels
What is the coronary sinus?
compression of heart by pericardial fluid
What is cardiac tamponade?
3 structures emptying into the right atrium
What are the superior and inferior vena cava and the coronary sinus?
What is the aortic semilunar valve?
occurs when sodium ions enter the axon of a neuron
What is depolarization?