Involuntary contractions of this muscle also causes the development of forehead wrinkles. This occurs when the frontal belly of the occipitofrontalis muscle contracts, causing the skin of the scalp and forehead to move up and down. Then the galea aponeurotica is moved by the occipital belly, whic...
Another structure, the highest nuchal line, is located in the upper portion of the occipital bone, running perpendicular to the median. It creates a place for a structure known as the galea aponeurotica to attach. This structure is a tough membrane that underlies the scalp. Below is the supe...
- The Auricularis anterior (Attrahens aurem), the smallest of the three, is thin, fan-shaped, and its fibers are pale and indistinct. Itarises from the lateral edge of the galea aponeurotica, and its fibers converge to be inserted into a projection on the front of the helix. What is ...