Logo Microglia and serotonin axons Dorsal raphe nucleus

Serotonin-producing Neurons in the Brainstem

Dorsal raphe nucleus The dorsal raphe nucleus of the long-tailed macaque (Macaca fascicularis).
Aq = cerebral aqueduct

The Serotonin Matrix and Microglia in the Cerebral Cortex

The primary somatosensory cortex of the house mouse (Mus musculus).
blue = cell nuclei, red = serotoninergic axons, green = microglia

Microscopy

Microscopy Dr. Angela Chen