incisive suture

in·ci·sive su·ture

[TA] line of union of the two portions of the maxilla (premaxilla and postmaxilla); it is present at birth but may persist into old age. Synonym(s): sutura incisiva [TA], premaxillary suture

in·ci·sive su·ture

(in-sīsiv sūchŭr) [TA] Line of union of two portions of maxilla (premaxilla and postmaxilla); present at birth but may persist.
Synonym(s): premaxillary suture.