Which of the following cells is responsible for the production of granulocyte-colony stimulating factor (G-CSF) in the bone marrow?

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

Explanation

Stromal cells in the bone marrow produce G-CSF, which stimulates the production of granulocytes.

Source

Harrison's Principles of Internal Medicine
Hematology Hematology: Hematopoiesis Hematology: Hematopoiesis Hard MEDICAL Confidence: medium