Aortic hiatus pierces diaphragm at what level?
Correct Answer: T12
Description: Ans. D T12Ref: BDC, 6th ed. vol. II pg. 333* Diaphragm has several openings for the passage of structures from thorax to abdomen.Main openings in the diaphragm and their levelsOpeningLevelStructure PassingAORTIC OPENING-Osseo aponeurotic opening (not a true opening)Str passing: "Remember ATA"T12* Aorta* Thoracic duct* Azygous veinESOPHAGEAL OPENING- lies in muscular part of diaphragmT10* Esophagus* Gastric or vagus nerve* Esophagheal branch of left gastric arteryVENA CAVAL OPENING- lies in central tendon of diaphragmT8* Inferior vena cava* Right phrenic nerve branchesExtra Mile* Only motor nerve to diaphragm- PHRENIC NERVE (C3, C4, C5)* It is the principle muscle of inspirationExtra MileStructures and level of piercing in diaphragm: (Mn: I ate, 10 Eggs, At 12)* IVC: T8* Esophagus: T10* Aorta: T12
Category:
Anatomy
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now