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Term

AV Node
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Pericardium
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Ch 25 & 26 test revi

TermDefinition
AV Node Part of the cardiac conduction system located just above the ventricles between the atria
Pericardium A membrane that covers the heart and large blood vessels attached to it
Pulmonary Circulation The route blood takes from the heart to the lungs and back again
Thickest layer of the heart wall myocardium
Stenosis Narrowing of a body part or passage
Viscosity Thickness
Perkinje Fibers Part of the cardiac conduction system located in the lateral walls of the ventricles
Diastolic Pressure Pressure in the arteries when the ventricles relax
Systemic Circulation The route blood takes from the heart to the body cells and back to the heart
Endocardium The innermost layer of the heart wall
Capillary Smallest type of blood vessel
Vasodilation widening of blood vessel walls
SA Node Part of the cardiac conduction system that generates the electrical impulse that initiates a heartbeat
Epicardium Another name for the visceral pericardium
Coronary Circulation Route the blood takes to deliver oxygen to the heart muscle
Systolic Pressure Pressure in the arteries when the ventricles contract
Cardiac Output Total amount of blood pumped out of the heart in 1 minute
Vasoconstriction Tightening of blood vessels
Hepatic Portal System collection of veins that carries blood to the liver
Bundle of HIS Part of the cardiac conduction system that splits into right and left branches
Agglutination clumping of cells
agranulocyte WBC with no cytoplasmic granules
basophil cells releasing heparin and histamines
coagulation Process of blood clotting
embolus blood clot "on the move"
eosinophil fights viruses and parasitic infections
erythrocyte RBC
erythropoietin stimulates bone marrow to produce RBCs
fibrinogen Plasma substance important in blood clotting
globulins Blood proteins that transport lipids
granulocyte Neutrophils, eosinophils, and basophils
hematocrit measures percentage of RBCs in blood
hemostasis control bleeding
leukocyte WBC
lymphocyte WBCs that provide immunity
monocyte Cell with a large, kidney-shape nucleus that destroys bacteria, viruses, and toxins in the blood
neutrophil Destroys bacteria, viruses, and toxins by engulfing and then ingesting them
platelets cell fragments assisting in blood clotting
serum plasma with cells and clotting factor removed
thrombocytes other term for platelets
thrombus blood clot
Created by: lcorbett09
 

 



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