external heart
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26 Terms
ligamentum arteriosum
This structure is a remnant of a fetal vessel that connected the pulmonary artery and the aorta.
epicardium (visceral pericardium)
outer layer of the heart
parietal pericardium
a tough fibrous loose-fitting sac that surrounds and protects the heart.
coronary sulcus
groove located below the auricular appendages
coronary arteries
supply the heart itself with oxygenated blood
cardiac vein
take deoxygenated blood away from heart muscle itself
mediastinum
Centrally located space between the lungs; where we find the heart
pericardial fluid
This is used to reduce friction between the layers of membranes surrounding the heart.
PDA (patent ductus arteriosus)
condition in which the duct connecting the aorta and pulmonary artery do not close at birth
pericarditis
inflammation of the sac surrounding the heart; may be caused by a bacterial or viral infection
angina pectoralis
chest pain
ischemia
Lack of blood supply (to the heart)
myocardial infarction
heart attack
brachiocephalic trunk
1st branch from the aorta; supplies the arms and head with blood
right subclavian artery & right common carotid
the two major branches from the brachiocephalic trunk
aorta
Largest artery in the body
German measles or rubella
what a mother may have been exposed to during the 1st three months of pregnancy if her child has PDA
auricular appendage
an extension of the atrium that is a reserve space in case too much blood enters the heart at one time
apex
the inferior pointed part of the heart
pulmonary artery
all arteries contain oxygenated blood except for the __ artery
pulmonary vein
all veins carry deoxygenated blood except for the ___ vein
right
Which side of the heart contains deoxygenated blood?
left
Which side of the heart contains oxygenated blood?
ductus arteriosus
a blood vessel in a fetus that bypasses pulmonary circulation by connecting the pulmonary artery directly to the ascending aorta
ventricles
Lower chambers of the heart
atria (atrium, singular)
upper chambers of the heart
