lateral border

lat·er·al bor·der

[TA] the margin or edge of a structure that is farthest from the midline. Synonym(s): margo lateralis [TA], lateral margin

lat·er·al bor·der

(lat'ĕr-ăl bōr'dĕr) [TA] The margin or edge of a structure that is farthest from the midline.