True about veebral aery
The veebral aery is one of the two principal aeries which supply the brain In addition,it also supplies the spinal cord,the meninges and the suurounding mscles and bones It arises from the posterosuperior aspect of the first pa of the subclan aery It runs a long course and ends in the cranial cavity by supplying the brain The veebral aery is divided in to four pas Ref BDC volume 3,sixth edition pg 162
Enter skull throught condylar canal
Branch of internal carotid aery
Branch of subclan aery
Accompany sympathetic ganglion
Head and neck