This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'All can take split thickness graft except ? \nSelect and explain. \nA. Fat, B. Muscle, C. Skull bone, D. Deep fascia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans is \'c\' ie Skull "The skin graft must be applied to a well-vascularized recipient wound bed. It will not adhere to exposed bone, cailage, or tendon devoid of periosteum, perichendrium or peritenon, respectively, or devoid of its vascularized perimembranous envelope." - Sabiston I7/e p 2185', 'role': 'assistant'}]