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from The American Heritage® Dictionary of the English Language, 4th Edition

  • adv. Biology Toward the head or anterior section.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adv. Towards the head (or anterior extremity)

from the GNU version of the Collaborative International Dictionary of English

  • adv. Forwards; towards the head or anterior extremity of the body; opposed to caudad.

from The Century Dictionary and Cyclopedia

  • In anatomy, toward the head; forward in the long axis of the body; in the opposite direction from caudad.


Ancient Greek κεφαλή + Latin ad (Wiktionary)



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