Erythrocytes are derived from the stem cell ([[Haematopoiesis - Overview#Colony Forming Units|CFU-GEMM]]) and formed in a process known as [[Erythropoiesis|erythropoiesis]]. | Erythrocytes are derived from the stem cell ([[Haematopoiesis - Overview#Colony Forming Units|CFU-GEMM]]) and formed in a process known as [[Erythropoiesis|erythropoiesis]]. |