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': 'All of the following develop from the hindgut except \nSelect and explain. \nA. Ascending colon, B. Descending colon, C. Sigmoid colon, D. Rectum', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ref Human embryology Inderbier Singh 10 TH EDITION Page 184 Derivatives of Hindgut: Left one-third of the transverse colon, Descending and pelvic colon, Rectum, Upperpa of anal canal, and pas of the urogenital system', 'role': 'assistant'}]