Anterolateral system
In the nervous system, the anterolateral system is an ascending pathway that conveys pain and temperature (protopathic sensation) from the periphery to the brain. It comprises three main pathways:
| Name | Destination | Function |
| spinothalamic tract (lateral and anterior) | thalamus | important in the localization of painful or thermal stimuli |
| spinoreticular tract | reticular formation | causes alertness and arousal in response to painful stimuli |
| spinotectal tract | tectum | orients the eyes and head towards the stimuli |
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