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the primordial mass of tissue formed by the merging of the medial nasal prominences of the embryo; it contributes to the intermaxillary portion of the upper jaw, the prolabial portion of the upper lip, and the primary palate.
median palatine process.
in·ter·max·il·lar·y seg·ment(intĕr-maksi-lar-ē segmĕnt)
Primordial mass of tissue formed by merging of medial nasal prominences of embryo; contributes to intermaxillary portion of upper jaw, prolabial portion of upper lip, and primary palate.