border(redirected from basal border of the lung)
Also found in: Dictionary, Thesaurus, Financial, Encyclopedia.
a bounding line, edge, or surface.
brush border a specialization of the free surface of a cell, consisting of minute cylindrical processes (microvilli) that greatly increase the surface area.
vermilion border the exposed red portion of the upper and lower lips.
Synonym(s): margo [TA]