This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Wound contraction is mediated by \nSelect and explain. \nA. Epithelial cells, B. Myofibroblasts, C. Collagen, D. Elastin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: ref, Robbins 9/e p105 The chief physiological function of myofibroblasts in mammalian tissues has been in wound healing and specifically in contraction of the wound. Typically there are four overlapping phases of wound healing: Haemostasis, inflammation, proliferation, and remodelling', 'role': 'assistant'}]