Which of the following types of hematopoietic cells is responsible for the production of granulocyte-colony stimulating factor (G-CSF), a cytokine that regulates the production of neutrophils?

A T lymphocytes
B Macrophages
C Endothelial cells
D Stromal cells ✓

Explanation

Stromal cells, including fibroblasts and reticular cells, produce G-CSF, which regulates the production of neutrophils.

Source

Lodish et al. (2000) - Molecular Cell Biology
Hematology Hematology: Hematopoiesis Hematology: Hematopoiesis Hard MEDICAL Confidence: medium