Helicis major
Encyclopedia
The Helicis major is a narrow vertical band situated upon the anterior margin of the helix
.
It arises below, from the spina helicis
, and is inserted into the anterior border of the helix, just where it is about to curve backward.
Helix
A helix is a type of smooth space curve, i.e. a curve in three-dimensional space. It has the property that the tangent line at any point makes a constant angle with a fixed line called the axis. Examples of helixes are coil springs and the handrails of spiral staircases. A "filled-in" helix – for...
.
It arises below, from the spina helicis
Spina helicis
At the front part of the auricula, where the helix bends upward, is a small projection of cartilage, called the spina helicis....
, and is inserted into the anterior border of the helix, just where it is about to curve backward.