Anatamy 7 midterm (1) Flashcards
During which week of pregnancy does the heart start to show activity such as beating and pumping blood?
4th week
what is the name of the specialized blood vessel in the fetus that allows to bypass the liver and empty directly into the inferior vena cava
ductus venosus
what is the name of the remnant left over from the ductus arterious
ligamentum arteriosum
what type of connective tissue is the fibrous pericardium made of
dense irregular connective tissue
which type of the serous pericardium is also called epicardium
visceral pericardium
what is the purpose of the pericardial fluid
reduce friction as the heart moves
which chamber of the heart forms most of the base of the heart
left atrium
the outer wall of the heart is called
epicardium
contraction of the heart muscle is called
systole
which structure is found in the anterior wall of the right atrium
pectinate muscles
what is the purpose of the chordae tendineae
to keep the AV valves closed when the ventricles are contracting
which vessels feed into the left atrium
pulmonary veins
what is another name for the bicuspid valve
mitral valve
this structure forms most of the anterior surface of the heart
right vesicle
this structure divides right and left ventricles
interventricular septum
