Thorax mnemonic

Vertebral levels of the diaphragm openings

The mnemonic

I ate ten eggs at twelve

What each word stands for

  • I ateInferior vena cava at T8
  • ten eggsOesophagus (with the vagus nerves) at T10
  • twelveAortic hiatus at T12 (with thoracic duct and azygos vein)

Why it matters clinically

Explains where hiatal hernias occur and which structures traverse each opening.

Where it stops being reliable

Gives levels only; it does not list the full contents of each opening or the smaller apertures.

Teaching aid, still awaiting independent review. Confirm facts in a standard source.

More mnemonics

Common questions

What is the Thorax mnemonic?

I ate ten eggs at twelve. It helps you recall: Vertebral levels of the diaphragm openings.

What does "I ate" stand for?

Inferior vena cava at T8

What does "ten eggs" stand for?

Oesophagus (with the vagus nerves) at T10

What does "twelve" stand for?

Aortic hiatus at T12 (with thoracic duct and azygos vein)

What are all the parts of the I ate ten eggs at twelve mnemonic?

I ate: Inferior vena cava at T8; ten eggs: Oesophagus (with the vagus nerves) at T10; twelve: Aortic hiatus at T12 (with thoracic duct and azygos vein).

Which topic does this mnemonic belong to?

It belongs to Thorax in Anatomy.

Where does this mnemonic stop being reliable?

Gives levels only; it does not list the full contents of each opening or the smaller apertures.

How is this useful clinically?

Explains where hiatal hernias occur and which structures traverse each opening.

How do I make this mnemonic stick?

Say it aloud, write it from memory tomorrow, then again in a week. Then test yourself on a Anatomy question about Thorax.

Is this a standard mnemonic?

It is a teaching aid written or adapted by our team. Some resemble ones students share informally. Check any fact that matters in a standard source.