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Circulatory System

Word List with 48 words
*By Dictionary.com

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Words in This List

pulmonary circulation
n.
the circulation of blood from the heart to the lungs for oxygenation and back to the heart.
anterior interventricular sulcus
noun
groove located on the sternocostal surface of the heart
aorta
noun
carries blood from the left ventricle of the heart to all of the body except the lungs
aortic semilunar valve
noun
lies between the left ventricle and the aorta
arteries
noun
tubular branching muscular and elastic walled vessels, carry blood from the heart through the body
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arterioles
noun
any of the small terminal twigs of an artery that ends in capillaries
atria
noun
chamber of the heart that receives blood from the veins and forces it into a ventricle
atrioventricular node
noun
small mass of muscular fibers at the base of the wall between the atria
bicuspid valve
noun
defect of the aortic valve, results in the formation of two cusps instead of the normal three
capillaries
noun
smallest blood vessels connecting arterioles with venules and forming networks throughout the body
chordae tendinae
noun
tendons connecting the papillary muscles to the tricuspid valve and the mitral valve in the heart
coronary sinus
noun
large channel in the heart wall, receives blood via coronary veins, empties into the right atrium
coronary sulcus
noun
groove on the outer surface of the heart marking the division between the atria and the ventricles
cusp
noun
fold or flap of a cardiac valve
deoxygenated blood
noun
carries CO2 out of the system
diffusion
noun
intermingling of molecules and ions resulting from random thermal agitation
endocardium
noun
serous membrane that lines the cavities of the heart
epicardium
noun
inner serous layer of the pericardium, lying directly upon the heart
heart
noun
homologous structure in other vertebrates, consisting of four chambers
inferior vena cava
noun
either of two large veins discharging blood into the right atrium of the heart
inner serous pericardium
noun
ibroserous sac enclosing the heart and roots of primary blood vessels
interatrial septum
noun
wall separating the right and left atria of the heart
interventricular septum
noun
wall between the ventricles of the heart
left atrium
noun
left upper chamber of the heart that receives blood from the pulmonary veins
left auricle
noun
muscular pouch connected to the left atrium of the heart
left ventricle
noun
chamber on the left side of the heart that receives the arterial blood from the left atrium
mitral valve
noun
valve between the left atrium and ventricle, prevents the blood from flowing back into the atrium
myocardium
noun
muscular substance of the heart
outer fibrous pericardium
noun
external layer of the pericardium consisting of dense fibrous tissue
oxygenated blood
noun
blood which has received oxygen in the lungs then carried to the tissues via the arteries
papillary muscle
noun
small bundles of muscles attached to the ventricle walls and the chordae tendineae
pericardium
noun
membranous sac enclosing the heart
posterior interventricular sulcus
noun
groove located on the diaphragmatic surface of the heart
pulmonary artery
noun
carries blood with low levels of oxygen from the right ventricle of the heart to the lungs
pulmonary trunk
noun
origin from right ventricle of the heart, and dividing into the right and left pulmonary arteries
purkinje fibers
noun
fibers that conduct an electrical stimulus that enables the heart to contract
right atrioventricular valve
noun
valve, consisting of three triangular flaps of tissue between right auricle, ventricle of the heart
right atrium
noun
right upper chamber of the heart that receives blood from the venae cavae and coronary sinus
right auricle
noun
small funnel-shaped muscular pouch attached to the right atrium of the heart
right ventricle
noun
chamber that receives venous blood from right atrium and forces it into pulmonary artery
serous fluid
noun
any of various clear, watery fluids in the body
sinoatrial node
noun
small mass of tissue in the right atrium functioning as pacemaker of the heart
superior vena cava
noun
second largest vein in the human body, is formed by the union of the two brachiocephalic veins
systemic circulation
noun
circulatory system excluding the pulmonary circulation
tricuspid valve
noun
three triangular flaps of tissue between the right auricle and ventricle of the heart
veins
noun
branching vessels or tubes conveying blood from various parts of the body to the heart
ventricles
noun
receives blood from corresponding atrium and where blood is forced into the arteries
venules
noun
minute veins connecting the capillaries with the larger systemic veins

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Parts of Speech in English
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Confusable combinations that are almost cruel
by Dictionary.com
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Words that look the same with different meanings
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17 words

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