Question

1. The following three types of neurons are needed for a somatic sensory pathway. Describe the role of each one.

1. first-order neurons:

2. second-order neurons:

3. third-order neurons:

Answer 1

Answer :- A.First order neuron are Located in the dorsal root ganglia or in spinal cord which conducts the nerve impulse from the receptor to the spinal cord or brain stem

B. Second order neuron are Located in the spinal cord or brain stem which conducts the impulse from the brainstem or spinal cord to the thalamus.

C. Third order neuron are Located in the relay nuclei of the thalamus which conducts nerve impulses from the thalamus to the primary somatosensory area...Thanks