Anterior auricular muscle
Encyclopedia
The anterior auricular muscle, the smallest of the three auriculares muscles, is thin and fan-shaped, and its fibers are pale and indistinct. It arises from the lateral edge of the galea aponeurotica
, and its fibers converge to be inserted into a projection on the front of the helix
.
Galea aponeurotica
The galea aponeurotica is a tough layer of dense fibrous tissue which covers the upper part of the cranium; behind, it is attached, in the interval between its union with the Occipitales, to the external occipital protuberance and highest nuchal lines of the occipital bone; in front, it forms a...
, and its fibers converge to be inserted into a projection on the front of the helix
Helix (ear)
The prominent rim of the auricula is called the helix. Where the helix turns downward behind, a small tubercle is frequently seen: the auricular tubercle of Darwin....
.