Structure not passing through the esophageal hiatus:
Correct Answer: Left phrenic nerve
Description: Aoic opening lies in osteoaponeurotic pa of diaphragm between right & left crusQ at T1212 veebral level and it transmits - aoa, azygous vein & thoracic ductQ.Oesophageal opening lies in muscular poion derived from right crus at TIO levelQ and it transmits oesophagusQ, oesophageal branch of left gastric aeryQ and both right & left vagus (gastric) nervesQRight phrenic nerve passes through the central tendon of diaphragm at T8 levelQ, either through venacaval apeure (with IVC)Q or just lateral to it. Whereas, left phrenic nerve passes through the muscular pa of diaphragm anterior to central tendon, just lateral to left cardiac surface and more anterior than the right phrenic nerve.
Category:
Anatomy
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