lab M2 L3 Flashcards
what cavity is the heart located in?
thoracic cavity
between the lungs
in small space called mediastinum
what is the serous membrane that separates the heart from the lung pleura?
pericardium
layers of pericardium
fibrous pericardium is outer layer
serous pericardium is under fibrous pericardium
serous pericardium contains:
parietal layer
pericardial cavity (filled with serous fluid)
visceral layer
what is the visceral layer of the serous pericardium also called?
epicardium
what are the layers of the heart wall?
epicardium
myocardium
endocardium
aorta
superior vena cava
inferior vena cava
pulmonary trunk
left atrium
right atrium
left ventricle
right ventricle
left pulmonary veins
right pulmonary veins
groove/depression
interventricular sulcus
groove/depression
atrioventricular sulcus
right atrioventricular valve
tricuspid valve
left atrioventricular valve
bicuspid valve
mitral valve
aortic semilunar valve
pulmonary semilunar valve
papillary muscles
irregular muscular ridges inside ventricles
trabeculae carneae
muscular ridges inside atria
pectinate muscles
chordae tendineae
artery
right coronary artery
(right) marginal artery
artery
left coronary artery
artery
anterior interventricular artery
left anterior descending artery
artery
circumflex artery
artery
posterior interventricular artery
coronary sinus
vein
great cardiac vein (also vein that runs along with anterior interventricular artery)
vein
middle cardiac vein
trace pathway of blood through the heart
superior and inferior vena cava
right atrium
tricuspid valve
right ventricle
pulmonary valve
pulmonary trunk/artery
lungs
pulmonary veins
left atrium
mitral valve
left ventricle
aortic valve
aorta
body
how many leaflets does each valve have?
tricuspid: 3
mitral: 2
pulmonary: 3
aortic: 3
which valves have chord tendineae and papillary muscles?
AV valves
pulmonary circuit
right atrium
right ventricle
pulmonary trunk
pulmonary arteries
lungs
left atrium
left ventricle
body
systemic circuit
left atrium
left ventricle
aorta
body
right atrium
right ventricle
lungs