Mesial

[mi:ziәl]

(adj.) being in or directed toward the midline or mesial plane of the body .

Edited by Aaron--From WordNet

(a.) Middle; median; in, or in the region of, the mesial plane; internal; -- opposed to lateral.

Editor: Luke

adj. pertaining to the middle: median—also Mes′al Mes′ian.—advs. Mes′ally Mes′ially.

Checked by Ida