75) A 30-year-old patient displays ataxia of extremities and a | Anatomy embryology histology videos & books

75) A 30-year-old patient displays ataxia of extremities and asynergy with decomposition of movement. He also has dysmetria (past-pointing phenomenon), dysdiadochokinesia (the inability to perform rapidly alternating movements), and intention tremor. These neurological signs are characteristic of a lesion in the structure indicated by which arrow in Fig. ?