Which of the following spinal cord pathways is responsible for pain and temperature?

The spinal cord pathway responsible for pain and temperature is the Spinothalamic tract. Here's a step-by-step explanation:

1. The Spinothalamic tract is an ascending pathway of the spinal cord. This means it carries sensory information from the body up to the brain.

2. It is divided into two parts: the Anterior Spinothalamic tract and the Lateral Spinothalamic tract.

3. The Anterior Spinothalamic tract carries information about crude touch and pressure.

4. The Lateral Spinothalamic tract, on the other hand, is responsible for transmitting pain and temperature sensations.

5. When a pain or temperature change is detected in the body, the information is sent via peripheral nerves to the spinal cord.

6. Once the information reaches the spinal cord, it synapses in the dorsal horn and then crosses over to the opposite side of the spinal cord.

7. From there, it ascends up the spinal cord in the Lateral Spinothalamic tract to the brain, where it is processed and perceived.

So, in summary, the Lateral Spinothalamic tract of the spinal cord is responsible for carrying pain and temperature sensations to the brain.