This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General surgery, Subject name: Surgery
[{'content': 'Fibroblast in healing wound is derived from \nSelect and explain. \nA. Local mesenchyme, B. Epithelium, C. Endothelium, D. Blood borne', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Fibroblasts are specialized cells that differentiate from resting mesenchymal cells in connective tissue The primary function of fibroblasts is to synthesize collagen. Sabiston 20th edition Pg 137', 'role': 'assistant'}]