a small, nucleated, spindle-shaped cell of nonmammalian vertebrates that plays a role in the clotting of blood; or a blood platelet, a small, ... Found on http://www.britannica.com/eb/a-z/t/45
A tiny piece of a cell found in the blood that breaks off from a large cell found in the bone marrow. Thrombocytes help wounds heal and prevent bleeding by forming blood clots. Also called platelet. Found on http://www.cancer.gov/dictionary?expand=T
Thrombocyte: A platelet. Crucial to normal blood clotting. Although platelets are sometimes classed as blood cells, they are not. They are fragments of a large cell called a megakaryocyte (literally, a large cell). Found on http://www.medterms.com/script/main/art.asp?articlekey=5766