Dermarcation Lines and Division of Auricle (Fig. 5-8 )
Division of Helix Points
The Helix Crus is Helix area (HX1), The Helix between Helix Notch and upper border of inferior Atihelix Crus is divided into three

equal portion; from upper to lower in order is Helix area2 (HX2), HX3, HX4 .
The Helix between upper border of superior Antihelix Crus and frorlt border of supmor Antihelix Crus is HX5 The Helix between

anterzor border of superior Antihelix and Ear Apex isfy6i The Helix between Ear Apex and upper border of Helix Tubbercle is I-IX7i

The Helix between upper border and lower Helix between lower bor- der of Helix Tubercle and Helix M Notch is divided into

fourequal portion, fmn upper to lower in order is HX9, HX10 HX11, HX12.