This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdominal Wall, Subject name: Anatomy
[{'content': 'Umbilicus is supplied by which spinal segment? \nSelect and explain. \nA. T4, B. T6, C. T8, D. T10', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. d (T10). (Ref. BD Chaurasia, Anatomy -2nd vol., 3rd/165; Bailey & love Surgery, 25th/982) # Skin around umbilicus is supplied by T10 segment of cord. # With reference to lymphatics and venous drainage it is water shed area. Educational point: # Dermatomes over: - The xiphoid process-T7 - The umbilicus-T10 - The pubis-L1 # Remnant of vitello-intestinal duct may form a tumor of umbilicus known as raspberry /cherry red tumor.', 'role': 'assistant'}]