erythropoiesis flowchart

1. What are the steps of erythropoiesis?
2. What is erythropoiesis name five factors which influence erythropoiesis?
3. What are the sites of erythropoiesis?
4. What is meant by erythropoiesis?
5. What triggers erythropoiesis?
6. What is erythropoiesis explain with diagram?
7. How long does erythropoiesis take to complete?
8. Where is the principal site of Haematopoiesis in adults?
9. What is the difference between hematopoiesis and erythropoiesis?
10. What is the most common cause of insufficient erythropoiesis?
11. What hormone controls erythropoiesis?
12. What organ produces red blood cells?

What are the steps of erythropoiesis?

Terms in this set (5)

• hemocytoblasts differentiate into proerythroblasts.
• differentiate into erythroblasts.
• immature RBC begin synthesizing and storing Hb.
• differentiate into reticulocyte and eject organelles and nucleus.
• mature into erythrocyte and enter circulation.

What is erythropoiesis name five factors which influence erythropoiesis?

The major growth factors regulating in vivo erythropoiesis are granulocyte colony-stimulating factor (G-CSF), granulocyte macrophage colony-stimulating factor (GM-CSF), interleukin- (IL-) 3, stem cell factor (SCF), IL-1, IL-6, IL-4, IL-9, IL-11, insulin growth factor-1 (IGF-1), and erythropoietin (EPO) [9, 10].

What are the sites of erythropoiesis?

As stated above, in adults the principal sites of red cell production, called erythropoiesis, are the marrow spaces of the vertebrae, ribs, breastbone, and pelvis.

What is meant by erythropoiesis?

Listen to pronunciation. (eh-RITH-roh-poy-EE-sis) The formation of red blood cells in blood-forming tissue. In the early development of a fetus, erythropoiesis takes place in the yolk sac, spleen, and liver.

What triggers erythropoiesis?

Red blood cell (RBC) production (erythropoiesis) takes place in the bone marrow under the control of the hormone erythropoietin (EPO). Juxtaglomerular cells in the kidney produce erythropoietin in response to decreased oxygen delivery (as in anemia and hypoxia) or increased levels of androgens.

What is erythropoiesis explain with diagram?

Erythropoiesis (from Greek 'erythro' meaning "red" and 'poiesis' meaning "to make") is the process which produces red blood cells (erythrocytes), which is the development from erythropoietic stem cell to mature red blood cell.

How long does erythropoiesis take to complete?

The entire process of erythropoiesis requires approximately 2 weeks. Except for the newborns, only erythrocytes and polychromatic erythrocytes (reticulocytes) are released into the blood circulation.

Where is the principal site of Haematopoiesis in adults?

In adults, hematopoiesis of red blood cells and platelets occurs primarily in the bone marrow. In infants and children, it may also continue in the spleen and liver.

What is the difference between hematopoiesis and erythropoiesis?

Hematopoiesis begins during the fetal life in the yolk sac and later, in the liver and spleen. After birth, it occurs in bone marrow. ... The main difference between hematopoiesis and erythropoiesis is that hematopoiesis is the formation of mature blood cells whereas erythropoiesis is the formation of mature erythrocytes.

What is the most common cause of insufficient erythropoiesis?

The most common cause of insufficient erythropoiesis is iron deficiency. The other options may be causes but are not common ones. How does hemolytic disease of the newborn (HDN) cause acquired congenital hemolytic anemia?

What hormone controls erythropoiesis?

Erythropoietin is the principal hormone that regulates erythropoiesis and its transcription is mediated by hypoxia inducible factor-1 (HIF-1).

What organ produces red blood cells?

Red blood cells are formed in the red bone marrow of bones. Stem cells in the red bone marrow are called hemocytoblasts. They give rise to all of the formed elements in blood. If a stem cell commits to becoming a cell called a proerythroblast, it will develop into a new red blood cell.