Table 1.

Distribution of fibers arising from raphe nuclei and adjacent reticular formation in the mouse spinal cord

Segment\nucleus	RMg	RPa/ROb	GiV	GiA
Cervical	7–10 > 5, 6	7–10 > 4–6	6–10 > 4, 5	1, 2, 4–10 > 3
Thoracic	7–10, IMM, ICl > 4, 5	7–10, IML, ICl, IMM > 5	6–10, IMM, IML, ICl > 3–5	1, 2, 4–10, IMM, IML, ICl > 3
Lumbar	1–2, 4–10 > 3	7–10 > 4–6	4–10 > 1–3	1–10
Sacral	1–2, 4–10, SDCom, SPSy, ICl, > 3	7–10, SPSy, ICl, SDCom > 4–6	4–10, ICl, SDCom, SPSy > 1–3	1–10, ICl, SDCom, SPSy