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66 Cards in this Set
- Front
- Back
- 3rd side (hint)
Front (Term) heart |
Back (Definition) situated between the two lungs in the thoracic cavity
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Front (Term) pericardium |
Back (Definition) membrane that surrounds and protects the heart; holds it in place |
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Front (Term) fibrous pericardium |
Back (Definition) tough, in elastic, dense irregular ct; prevents over stretching of heart, provides protection, anchors the heart in place. |
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serius pericardium |
thinner more delicate membrane; forms double layer around heart. |
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serius pericardium |
thinner more delicate membrane; forms double layer around heart. |
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parietal layer |
(of serous pericardium) fused to fibrous pericardium and the inner visceral layer, also called epicardium. |
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pericardial fluid |
reduces friction between the membranes as the heart moves |
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pericardial fluid |
reduces friction between the membranes as the heart moves |
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pericardial cavity |
space that contains the pericardial fluid. |
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pericardial fluid |
reduces friction between the membranes as the heart moves |
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pericardial cavity |
space that contains the pericardial fluid. |
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epicardium |
thin transparent outer layer of wall; composed of mesothelium and ct. |
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pericardial fluid |
reduces friction between the membranes as the heart moves |
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pericardial cavity |
space that contains the pericardial fluid. |
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epicardium |
thin transparent outer layer of wall; composed of mesothelium and ct. |
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myocardium |
consists of cardiac muscle tissue; structure and function; pumping action of the heart. |
involuntary, striated, branched |
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intercalated discs |
thickenings of the sarcolemma |
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intercalated discs |
thickenings of the sarcolemma |
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gap junctions |
allow proteins to conduct from one cardia muscle fiber to the next |
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intercalated discs |
thickenings of the sarcolemma |
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gap junctions |
allow proteins to conduct from one cardia muscle fiber to the next |
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endocardium |
thin layer of simple squamous epithelium that lines the inside of the myocardium and covers the valves of the heart and the tendons attached to the valves |
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Atria |
two upper chambers |
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Atria |
two upper chambers |
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ventricle |
two lower chambers |
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interatrial septum |
thin partition between left and right atrium |
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interatrial septum |
thin partition between left and right atrium |
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fossa ovalis |
oval depression on interatrial septum |
remnant of the foremen ovale |
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interatrial septum |
thin partition between left and right atrium |
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fossa ovalis |
oval depression on interatrial septum |
remnant of the foremen ovale |
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interventricular septum |
seperate left and right ventricles |
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aurocle |
slightly increased capacity of atrium |
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aurocle |
slightly increased capacity of atrium |
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deoxygenated blood |
through veins--- superior vena cava, inferior vena cava, and coronary sinus |
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aurocle |
slightly increased capacity of atrium |
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deoxygenated blood |
through veins--- superior vena cava, inferior vena cava, and coronary sinus |
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pulmonary trunk |
blood travels through to the lungs |
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aurocle |
slightly increased capacity of atrium |
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deoxygenated blood |
through veins--- superior vena cava, inferior vena cava, and coronary sinus |
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pulmonary trunk |
blood travels through to the lungs |
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arteries |
carry blood away from the heart |
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aurocle |
slightly increased capacity of atrium |
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deoxygenated blood |
through veins--- superior vena cava, inferior vena cava, and coronary sinus |
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pulmonary trunk |
blood travels through to the lungs |
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arteries |
carry blood away from the heart |
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ligamentum arteriosum |
between pulmonary trunk and the arch of the aorta |
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atrioventricular valves |
lie between the atria and ventricles |
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bicuspid valve |
atrioventricular valve between left atrium and left ventricle |
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pulmonary and aortic valve |
stop the blood from flowing back down into the heart |
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pulmonary and aortic valve |
stop the blood from flowing back down into the heart |
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coronary circulatikn |
the flow of blood through numerous vessels in the myocardium |
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pacemaker |
sets rhythm for entire heart |
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pacemaker |
sets rhythm for entire heart |
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conduction sustem |
route for action potential throughout the heart muscle. |
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pacemaker |
sets rhythm for entire heart |
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conduction sustem |
route for action potential throughout the heart muscle. |
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sinoatrial node |
on right atrial wall; an action potential spontaneously arrives in the sa node |
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pacemaker |
sets rhythm for entire heart |
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conduction sustem |
route for action potential throughout the heart muscle. |
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sinoatrial node |
on right atrial wall; an action potential spontaneously arrives in the sa node |
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atrioventricular node |
action potential slows considerably |
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pacemaker |
sets rhythm for entire heart |
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conduction sustem |
route for action potential throughout the heart muscle. |
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sinoatrial node |
on right atrial wall; an action potential spontaneously arrives in the sa node |
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atrioventricular node |
action potential slows considerably |
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atrioventricular bundle |
only site where action potential can conduct from atria to ventricle |
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