Editing Neck (section)

=== '''Ansa     cervicales''' - the     nerve loop supplying the strap muscles, with parts from both C1     (hypoglossal) and C2-C3 (cervical plexus). ===

** Carries fibres from C1 which      curve off from the hypoglossal nerve as it passes
** C2-3 fibres come down on the      lateral surface of IJV before curving forwards to join the upper root
** The union between upper and      lower fibres occurs at the point where omohyoid crosses carotid.
** Passes down along medial      side of CCA