This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
[{'content': 'The function of stellate cells in the liver? \nSelect and explain. \nA. Phagocytosis, B. Storage of Vitamin A, C. Increases blood perfusion, D. Formation of sinusoids', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The space of Disse is also the location of another impoant hepatic cell type, the stellate cell. Stellate cells serve as storage sites for retinoids and in addition are the source of key growth factors for hepatocytes. Under abnormal conditions, stellate cells are activated to synthesize large quantities of collagen, which contributes to the hepatic dysfunction.', 'role': 'assistant'}]