The cell bodies of presynaptic parasympathetic neurons are located:in the brainstem and in the lateral horns of spinal cord segments S2, S3 and S4.
in the lateral horns of spinal cord segments S3, S4 and S5.
in the lateral horns of spinal cord segments T1-L2.
in the brainstem only.
in the brainstem and in the ventral horns of spinal cord segments S2, S3 and S4.