Cardiovascular Vocabulary Flashcards
Hematopoiesis
The formation of blood cells
Erythropoiesis
Manufacture of blood cells
Leukocytes
White blood cells
Erythrocytes
Red blood cells
Thrombocytes
Platelets: part of megakaryocytes and needed for blood clotting
Plasma
Liquid part of blood that contains corpuscles
Hemaglobin
Oxygen carrying pigment of the blood
Rh factor
Antigen found in red blood cells
Anemia
Blood disorder that’s reduction in red blood cells/hemoglobin
Diastole
When the heart muscle relaxes and allows the chambers to fill with blood
Systole
When heart muscle contracts and pumps blood from the chambers into the arteries
Cardiac output
The total volume of blood ejected from the heart per minute
Stroke volume
The amount of blood ejected from the ventricles with each heartbeat
Heart rate
Heartbeat measured by the number of contractions of the heart beat per min
Endocardium
The me Rene lining the interior of the heart
Myocardium
Muscle of the heart
Pericardium
Closed membranous sac surrounding the heart
Arrhythmia
Absence of a normal heartbeat rhythm
Tachycardia
Abnormally rapid heartbeat
Bradycardia
Abnormally slow heartbeat: less than 60 bpm
EKG
Device that measures electric conduction system of the heart
Angina pectoralis
Severe chest pain caused by lack of blood supply to the heart
Veins
Vessels that carry blood toward the heart
Hypertension
Abnormally high blood pressure
