Megakaryocyte is a cell in the bone marrow that produces and releases platelets into the bloodstream. Synonyms for this word include giant thrombocyte, large blood platelet precursor, and large megakaryocyte. Another synonym for this term is the megakaryoblast. It is a precursor to the megakaryocyte and is responsible for the development of platelets. Additionally, the term giant platelet is also used to refer to this type of cell. These synonyms are commonly used in medical journals and texts to describe the formation and function of platelets within the body.