This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hemodynamics, Subject name: Pathology
Weibel-palade bodies are present in: 
Select and explain. 
A. Vascular endothelial cells, B. Warthin finkeldey cells, C. Leydig cells, D. Dendritic cells
A: Vascular endothelial cells
Answer: A: Vascular endothelial cells 
Explanation: Ans. (a) Vascular endothelial cells(Ref: Weibel ER, (October 1964). J. Cell Biol. 23 (1): 101 -12)Weibel-Palade bodies are the storage granules of endothelial cells. They store and release von Willebrand factor and P-selectin.