This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
[{'content': 'Development of diaphragmbegins at 4 weeks of gestation. Diaphragm has contributions from different structures. Central tendon of diaphragm develops from? \nSelect and explain. \nA. Dorsal mesooesophagus, B. Septum transversum, C. Pleuro peritoneal membrane, D. Cervical myotomes', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Development of Diaphragm\nDiaphragm develops from\nSeptum transversum: it is a mass of mesodermal tissue arising from coelomic wall at the 4rd week of gestation. It forms the central tendon of diaphragm.\nDorsal mesooesophagus forms the median portion of diaphragm & the crurae.\nCervical myotomes (from C3-C5 somites) of lateral body wall form the peripheral parts of diaphragm.\nPleuro-peritoneal membranes.\nChromosome 15q plays a major role in diaphragm development\n- During the initial period of development, it lies at a higher level (cervical) and then migrates caudally and hence the nerve supply is from C3, C4, C5 (Phrenic nerve).', 'role': 'assistant'}]