Erythropoiesis
Erythropoiesis is the process of origin, development and maturation of
erythrocytes.
Prenatal erythropoiesis occurs in,
Mesoderm of yolk sac(Mesoblastic First 2 months of I.U life
stage)
Liver & spleen (Hepatic stage) 3rd to 5th month
Red bone marrow (myeloid stage) & Last three months of 1.U. life
liver
In adults, after the age of 20 years, R.B.C. are produced by red bone marrow of
all membranous bones like skull bones, vertebra, ribs, scapula and pelvic bones and
from the ends of long bones like humerus and femur.
Stages of erythropoiesis
Erythropoiesis is the process of origin, development and maturation of
erythrocytes.
Prenatal erythropoiesis occurs in,
Mesoderm of yolk sac(Mesoblastic First 2 months of I.U life
stage)
Liver & spleen (Hepatic stage) 3rd to 5th month
Red bone marrow (myeloid stage) & Last three months of 1.U. life
liver
In adults, after the age of 20 years, R.B.C. are produced by red bone marrow of
all membranous bones like skull bones, vertebra, ribs, scapula and pelvic bones and
from the ends of long bones like humerus and femur.
Stages of erythropoiesis