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What is Diaphragm develops from - and explain in detail?
Ans. is 'b'i.e., Mesoderm Development of diaphramo Diaphragm develops from 4 structures derived from mesoderm which unite to form a sheet.1) Septum transversum:- Gives origin to sternal part and central tendinous region.2) Pleuroperitoneal membrane:- Dorsal paired portion.3) Dorsal mesentry of oesophagus:- Gives origin to crural part (Dorsal unpaired portion).4) Lateral body walls (from cervical myotome):- Gives origin to peripheral costal portion of diaphragm.