Supravital Stain: A stain of low toxicity that will not cause death to living cells or
Synchronous: Occurring at the sane time and in a regular pattern.
Target Cell (Leptocyte): An abnormal, thin erythrocyte characteristic of Cooley's or
Triturate: To grind together.
Thrombin: This is an enzyme formed from prothrombin that converts fibrinogen to
fibrin. This is not present in circulating blood.
Thrombocyte: A blood platelet.
Thrombocytopenia: A decrease in blood platelets; also thrombopenia.
Thrombocytosis: An increase in blood platelets.
Thromboplastin: The substance that initiates the process of blood clotting. It is
released from injured tissue and/or formed by the disintegration of platelets in
combination with several plasma factors.
Thrombopoiesis: The production of thrombocytes.
Thrombosis: Formation of a thrombus, or blood clot.
Vacuole: A space or cavity formed in the protoplasm of a cell.
Venipuncture: The act of puncturing a vein in order to remove a sample of blood.
: Friction between molecules resulting
in a structural change.
Vitamin K: A vitamin constituent of the normal diet requiring bile salts for absorption.
The liver in the production of prothrombin utilizes this vitamin.
Xanthochromia: A yellowish discoloration, usually associated with spinal fluid.
End of Appendix