Slide 2: Sympathetic trunk gives internal carotid nerve that joins internal carotid
Slide 3: All the fibers runs lat except one that runs straight downward =======phrenic nerve Cervical plexus=c1,2,3,4
In front of the middle scalene Mc. Phrenic nerve runs in front of the ant. Scalene Mc. To supply the diaphragm.
Slide 4: Br.’s of the cervical plexus emerges from the post border of the sternoclidomastoid. Supraclavicular nerves
For the chest & upperlumber rejoin Post auricular Great auricular
Slide 5: Post auricular supply Great auricular supply
Slide 6: Behind the sterno=clidomastoid More post. Both supply this area