Medical DictionaryU Ulna Ulna The bone of the forearm that extends from the elbow to the wrist on the side opposite to the thumb. Related terms: Ulnar Part of: Forearm Ulna was last modified: June 24th, 2016 by explainingmedicine Related boneforearmthumbwrist 0 comment 0 Facebook Twitter Google + Pinterest explainingmedicine previous post UVA Radiation next post Ureteroscopy Related Articles Temporal Muscle June 13, 2016 Vasculitis: Treatments June 13, 2016 Meta-Analysis June 13, 2016 Hemolytic Anemia: Prevention June 13, 2016 Congenital Heart Defects (Congenital Heart Diseases): Symptoms June 13, 2016 Heart Valve Disease: Prevention June 13, 2016 Papanicolaou Test (Pap Smear) June 13, 2016 Oral Cavity (see Mouth) June 13, 2016 Renal Cell Cancer: Symptoms June 13, 2016 Deep Vein Thrombosis (DVT): Prevention June 13, 2016