Spinothalamic tract
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Description[edit | edit source]
The corticospinal tract is one of the several ascending neural pathways which lies anteriolaterally to the ventral horn of the spinal grey matter. This pathway comprises of three neutron sets.
1st Order Neurones[edit | edit source]
These neurones carry information regarding pain, thermal sensation, course touch and pressure. These primary afferent neurones, also known as nociceptive neurones (read more about nociception), are specialised neurones that can be divided into 4 main modalities; mechanonociceptors (Pressure), Thermal Nociceptors, Chemically sensitive nociceptors or polymodal nociceptors. Their cell bodies reside in the dorsal root ganglion, and synapse onto second order neurones located within the posterior grey horn of the spinal cord.
