<prompt> Ulnar nerve root isC4 C5C5 C6C7 C8C8 T1  <response>: Root value of Ulnar Nerve - Ventral rami of C8 and T1. It also get fibres of C7 from the ventral root of median nerve. Ref : B D Chaurasias Human Anatomy , seventh edition , volume 1 , pg. no, 181 Fig Ref : B D Chaurasias Human Anatomy , seventh edition , volume 1 , pg. no,57 FIG. 4.14 