What is the significance of the CD34 marker in hematopoiesis?

A It is a marker for mature erythrocytes
B It is a marker for hematopoietic stem cells and progenitor cells ✓
C It is a marker for granulocytes
D It is a marker for platelets

Explanation

The CD34 marker is used to identify and isolate hematopoietic stem cells and progenitor cells, which are crucial for the development of all blood cell lineages.

Source

Robbins and Cotran Pathologic Basis of Disease
Hematology Hematology: Hematopoiesis Hematology: Hematopoiesis Medium MEDICAL Confidence: high