Which blood component is responsible for the production of platelet-derived growth factor, a potent mitogen for cells of mesenchymal origin?

A Erythrocytes
B Thrombocytes ✓
C Lymphocytes
D Granulocytes

Explanation

Platelet-derived growth factor is a potent mitogen produced by alpha-granules of platelets, stimulating proliferation of cells of mesenchymal origin.

Source

Guyton and Hall Textbook of Medical Physiology
Hematology Hematology: Blood Components Hematology: Blood Components Easy MEDICAL Confidence: high