production of formed elements

Blood cell formation - Hemopoiesis/ Hematopoiesis

Process by which formed elements blood cells formed.

1. Erythropoiesis

2. Leucopoiesis

3. Thrombocytopoiesis

1. Erythropoiesis

Formation of Red blood cell, which occurs in bone.

Stem cells, cell with the unique ability to develop into specialized cell types in the body.

2. Leucopoiesis

Leucopoiesis is the process of production of WBCs.

Leukocytes originate from hemocytoblasts of blood forming bone marrow. Leucopoiesis also occur throughout body in lymph tissues such as lymph nodes, spleen and tonsils.

Hemocytoblast, present in bonemarrow.

3. Thrombocytopoiesis

Process of formation of platelets is called thrombocytopoiesis.

They originate from Hemocytoblasts in bone marrow.