One of the principal SOMATOSENSORY PATHWAYS, also known as the SPINOTHALAMIC TRACT. It originates in the DORSAL HORN, neurons crossing to the CONTRALATERAL side before ascending to innervate sites in the RETICULAR FORMATION, PONS and MEDULLA, MIDBRAIN...

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...