This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Introduction and gametogenesis., Subject name: Anatomy
[{'content': 'Vena comitans \nSelect and explain. \nA. Veins accompanying nerves, B. Veins accompanying lymph vessels, C. Veins accompanying aeries, D. Veins accompanying veins', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Vena comitans are the Veins accompanying aeries. Vena comitans is a vein that is usually paired, with both veins lying on the sides of an aery. They are found in close proximity to aeries so that the pulsations of the aery aid venous return.', 'role': 'assistant'}]