Sympathetic reinnervation of peripheral targets following bilateral axotomy of the adult superior cervical ganglion

► Reinnervation of targets following axotomy of the superior cervical ganglion (SCG) was examined. ► Significant decreases in TH innervation of targets were observed at 12 weeks following SCG axotomy. ► TH protein in the SCG also remained decreased at 12 weeks following bilateral axotomy of the SCG. ► TH innervation of blood vessel targets and TH protein in the SCG recover slowly following SCG axotomy.