Final answer:
The spinal trigeminal nucleus is a component of the trigeminal nuclei located in the medulla. It receives information about crude touch, pain, and temperature from the face, head, mouth, and nasal cavity.
Step-by-step explanation:
The spinal trigeminal nucleus is a component of the trigeminal nuclei located in the medulla. It receives information about crude touch, pain, and temperature from the face, head, mouth, and nasal cavity.
This information is relayed to the thalamus and cortex, and is analogous to the spinothalamic pathway in the spinal cord.