the mean number of pixels ( representing 5-ht staining ) was determined in 6 areas in the brainstem containing 5-ht cell bodies ( nuclei raphe pallidus , raphe obscurus , rostral and caudal raphe magnus , raphe dorsalis and paragigantocellularis lateralis ) and in the dorsal and ventral spinal cord .
C0006121
brainstem
C0034671
raphe