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Here is a quick mnemonic/memory aid “INTERNAL THORACIC ARTERY to remember Internal Thoracic Artery important facts

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Internal Thoracic Artery : How To Remember Easily ?

  • I – Internal thoracic artery originates from the subclavian artery.

  • N – Nipple, it’s located slightly medial to the nipple.

  • T – Two branches at the sixth or seventh intercostal cartilage (musculophrenic and superior epigastric arteries).

  • E – Extends from clavicle to umbilicus, supplying the anterior chest wall.

  • R – Runs under the fascia and deep to the intercostal muscles.

  • N – Near the sternum, about 1-2 centimeters lateral to the sternal margin.

  • A – Anastomoses with the inferior epigastric artery.

  • L – Lies closest to the sternum at the first intercostal space.

  • T – Terminates at the sixth or seventh intercostal space.

  • H – Has branches for the breast, thymus, mediastinum, and sternum.

  • O – Originates as a branch of the subclavian artery.

  • R – Runs vertically along the inner surface of the anterior chest wall.

  • A – Accompanied by internal thoracic veins.

  • C – Connects with the superior epigastric and musculophrenic arteries.

  • I – Important in coronary artery bypass grafting (CABG).

  • C – Continues to descend inferiorly giving off anterior intercostal arteries.

  • A – Arises near the origin of the subclavian artery.

  • R – Runs deep to the abdominal external oblique muscle.

  • T – Travels inferiorly along the inner surface of the anterior chest wall.

  • E – Emits perforating cutaneous branches along the thorax.

  • R – Reaches the sixth to seventh costal cartilage before bifurcating.

  • Y – You can see it pulsating in some cases.

MnemonicINTERNAL THORACIC ARTERY

Dr. Arin Nandi

Passionate About Medical Science & Helping Future Doctors Achieve Top Ranks In Medical Exams. He is professionally a dentist as well as a public health expert from JIPMER working in govt.health department
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