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Mnemonic

Tongue Development Origins by Region

Mnemonic for the pharyngeal arch origin of the anterior and posterior tongue.

Anatomy Head and Neck
Expansion

Anterior two thirds from arch one, posterior third from arch three, different origins, same organ, that's why the nerves differ too

Expansion

  • Anterior two thirds - first arch origin, lingual nerve and chorda tympani
  • Posterior one third - mainly third arch origin, glossopharyngeal nerve