首先确定自主神经环的位置、形状和外观。
What is a collarette? What is its function? Where is it located?

Placement
a. Balanced
b. Constructed
c. Atonic
d. Irregular
Quality/Appearance
a. Normal
b. Absent
c. Thin/Wispy
d. Thick/Ropey
Shape
Normal
Star shaped or jagged
Double
Intermittent
Square Raised, gateway arch or bridge/Angle of Funch’s