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': 'Lines of Blaschko&;s are along \nSelect and explain. \nA. Lymphatics, B. Nervs, C. Developmental, D. Blood vessels', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Blaschko&;s lines, are lines of normal cell development in the skin. These lines are invisible under normal conditions.', 'role': 'assistant'}]