Professor Woodman tells her class that pain information is sent to the central nervous system (CNS) when the axons from nociceptors synapse in the
A) substantia gelatinosa.
B) dorsal column nuclei.
C) thalamus.
D) anterior cingulate gyrus.

Question

Quizplus · Accepted Answer

The substantia gelatinosa is a region in the dorsal horn of the spinal cord where primary afferent fibers carrying pain and temperature information synapse. This is a key area for the initial processing of pain information before it is transmitted to higher brain centers.

Professor Woodman Tells Her Class That Pain Information Is Sent