Ansa Cervicalis

Wednesday, October 14, 2015

The ansa cervicalis, also called ansa hipoglossi, is a U-shaped, curved stretch of nerve, which is part of the cervical plexus. It is formed by myelinated nerve fibers coming from spinal roots C1, C2, and C3. From the loop of the ansa cervicalis, three nerves projects downward to innervate the sternothyroid, the sternohyoid, and the omohyoid muscles.


Below: ansa cervicalis schema