Observation of the Sublingual Vessels
Sublingual Vessels Normal Visible under the tongue, length d <= 2.7mm does not exceed 3/5 of the line from the tip of the tongue to the sublingual meat mound, dark red in color, without tension, tightness, curvature, or hyperplasia, mostly single branches. Pathological Vessels are thickened or appear cyanotic, crimson, purplish-red, or dark purple, or … Read more