This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Layers of epidermis, dermis, Subject name: Dental
[{'content': 'Superficial veins are found in which layer of skin: \nSelect and explain. \nA. Epidermis, B. Dermis, C. Subdermal, D. Muscles', 'role': 'user'}, {'content': "Answer: B \nExplanation: The aeries enter skin - Form a deep plexus - between the subcutaneous adipose tissue and the dermis to form a 'cutaneous' vessel network. Subpapillary plexus, which forms capillary loops entering the papillary dermis between the rete ridges.", 'role': 'assistant'}]