inferior border

in·fe·ri·or bor·der

[TA] the caudal or lowermost margin of a structure. Synonym(s): margo inferior [TA], inferior margin

in·fe·ri·or bor·der

(in-fēr'ē-ŏr bōr'dĕr) [TA] The caudal or lowermost margin of a structure.