Descending serotonergic fibers in the dorsolateral and ventral funiculi of cat spinal cord.
Although there is much evidence for the presence of serotonergic fibers in the spinal gray matter, there is little evidence for the location of descending serotonergic fiber tracts in the spinal white matter. Using a highly sensitive immunocytochemical technique, we localized serotonin-immunoreactive axons throughout the white and gray matter of the spinal cord. Prominent concentrations of serotonergic axons were found in the dorsolateral and ventral funiculi. It is likely that these two descending fiber tracts contribute serotonergic input to the dorsal and ventral horns, respectively.
J L
JL
Hylden
M A
MA
Ruda
H
H
Hayashi
R
R
Dubner
D000818:Animals; D001369:Axons / Q000032:analysis*; D002415:Cats; D007124:Immunoenzyme Techniques; D009434:Neural Pathways / Q000032:analysis / Q000033:anatomy & histology*; D012701:Serotonin / Q000032:analysis* / Q000502:physiology; D013116:Spinal Cord / Q000033:anatomy & histology*; D013194:Staining and Labeling
D012701:Serotonin