Akademik

submarginal
Near the margin of any part.

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sub·mar·gin·al .səb-'märj-nəl, 'səb-, -ən-əl adj
1) adjacent to a margin or a marginal part or structure <\submarginal areas of the gingiva>
2) falling below a necessary minimum <\submarginal diets>

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sub·mar·gi·nal (səb-mahrґjĭ-nəl) inferior to a margin or border.

Medical dictionary. 2011.