释义 |
mesial I. \ˈme]zēəl, ˈmē], ]sē-; ˈmēzhəl, -ēsh-\ adjective also mesal \]zəl, ]səl\ Etymology: mes- + -ial or -al 1. : middle, median < the mesial aspect of the metacarpal head > 2. : lying in, being in the region of, or directed toward the mesial plane < the heart is mesial to the lungs > — opposed to distal • mesi·al·ly \-əlē\ also mesal·ly \-əlē\ adverb II. adjective : of, relating to, or being the surface of a tooth that is next to the tooth in front of it or that is closest to the middle of the front of the jaw — compare distal herein proximal herein • me·si·al·ly \-ə-lē\ adverb |