Close
 Indian J Med Microbiol  
 

Figure 3: Landmarks and reference lines used in this investigation. G, glabella; N, nasion; Mn, mid-nasal; Prn, pronasal; Cm, columella; Sn, subnasal; Ls, labial superior; Li, labial inferior; Sm, supramental; Pg, pogonion; Me, menton; C, cervical; Trg, tragus; sTV, superior point of true vertical; iTV, inferior point of true vertical; Ort point, junction of true vertical and true horizontal. Reference lines: sTV–iTV, true vertical; N–Ort (parallel to TV through nasion), true vertical in nasion; Trg–Ort (perpendicular to TV through Trg), true horizontal

Figure 3: Landmarks and reference lines used in this investigation. G, glabella; N, nasion; Mn, mid-nasal; Prn, pronasal; Cm, columella; Sn, subnasal; Ls, labial superior; Li, labial inferior; Sm, supramental; Pg, pogonion; Me, menton; C, cervical; Trg, tragus; sTV, superior point of true vertical; iTV, inferior point of true vertical; Ort point, junction of true vertical and true horizontal. Reference lines: sTV–iTV, true vertical; N–Ort (parallel to TV through nasion), true vertical in nasion; Trg–Ort (perpendicular to TV through Trg), true horizontal