Hematology Flashcards
Anemia
a condition in which the red blood cell count or hemoglobin level is below normal; a condition resulting in decreased oxygen-carrying capacity of the blood.
Anticoagulant
A chemical or substance that prevents blood coagulation.
Arteriole
A small branch of an artery leading to a capillary.
Artery
A blood vessel that carries oxygenated blood from the heart to the tissues.
Capillary
a minute blood vessel that connects the smallest arteries to the smallest veins and serves as an oxygen exchange vessel.
Cardiopulmonary circulation
The system of blood vessels that circulates blood from the heart to the lungs and back to the heart.
Complete blood count (CBC)
A commonly performed grouping of hematological tests.
Deoxyhemoglobin
The hemoglobin formed when oxyhemoglobin releases oxygen to tissues.
EDTA
Ethylenediaminetetraacetic acid; an anticoagulant commonly used in hematology.
Erythrocyte
Red blood cell; (RBC)
Ethylenediaminetetraacetic acid (EDTA)
An anticoagulant commonly used in hematology.
Granulocyte
A white blood cell containing granules in the cytoplasm; any of the neutrophilic, eosinophilia, or basophilic leukocytes.
Hematology
The study of blood and the blood-forming tissues.
Hemoglobin (Hb, Hgb)
The major functional component of red blood cells that is the oxygen-carrying molecule.
Hemopoiesis
the process of blood cell formation and development; hematopoiesis.
Hemopoietic stem cell
An undifferentiated bone marrow cell that gives rise to blood cells; also called hematopoietic stem cell.
Hemostasis
The process of stopping bleeding, which includes clot formation and clot dissolution.
leukemia
A chronic or acute disease involving unrestrained increase in the leukocytes.
Leukocyte
White blood cell; WBC
Megakaryocyte
A large bone marrow cell from which platelets are derived.
Oxyhemoglobin
The form of hemoglobin that binds and transports oxygen.
Plasma
The liquid portion of blood in which the blood cells are suspended; the straw-colored liquid remaining after blood cells are removed from anticoagulated blood.
Platelet
A formed element in circulating blood that plays an important role in blood coagulation; a small disk-shaped fragment of cytoplasm derived from a megakaryocyte; a thrombocyte.
Red blood cell (RBC)
Blood cell that transports oxygen (O2) to tissues and carbon dioxide (CO2) to the lungs; erythrocyte.
Stem cell
An undifferentiated cell.
Systemic circulation
The system of blood vessels that carries blood from the heart to the tissues and back to the heart.
Thrombocyte
A blood platelet.
Vein
A blood vessel that carries deoxygenated blood from the tissues to the heart.