Pronunciation: (LIM-foh-BLAST)

A lymphocyte that has gotten larger after being stimulated by an antigen. Lymphoblast also refers to an immature cell that can develop into a mature lymphocyte.

Source: NCI Dictionary of Cancer Terms

Caption: Blood cell development. A blood stem cell goes through several steps to become a red blood cell, platelet, or white blood cell.

2003-04-23 Date last modified: 2014-10-28