prosthion

[医] [上]牙槽中点

释义与例句

n.
  1. 1.

    The most anterior point of the upper alveolar process

    医学

词源

From Ancient Greek πρόσθιος (prósthios, “foremost”), from πρόσθεν (prósthen). Compare -ion (suffix for craniometric features).

来源：wiktionary