| Sensory decussation | |
|---|---|
 The sensory tract | |
| Details | |
| Identifiers | |
| Latin | decussatio lemnisci medialis |
| NeuroNames | 788 |
| Anatomical terms of neuroanatomy | |
The sensory decussation or decussation of the lemnisci is a decussation (a crossing over) of axons from the gracile nucleus and cuneate nucleus, known together as the dorsal column nuclei. The dorsal column nuclei are responsible for fine touch, vibration, proprioception and two-point discrimination.
The fibers of this decussation are called the internal arcuate fibers and are found at the superior aspect of the closed medulla oblongata, superior to the motor decussation. Neurons of these nuclei are second-order neurons in the dorsal column–medial lemniscus pathway.