| Subject | English | Russian |
| med. | bone lower third fracture | перелом нижней трети кости |
| med. | in the lower third of the ureter | в нижней трети мочеточника (paseal) |
| med. | lower third of the arm | нижняя треть плеча (In anatomical usage the term "arm" refers specifically to the segment between the shoulder and the elbow, while the segment between the elbow and wrist is the "forearm." However, in common, literary and historical usage 'arm'refers to the entire upper limb from shoulder to wrist Tiny Tony) |
| dent.impl. | lower third of the face | нижняя треть лица (MichaelBurov) |