Table 4.

Neuroanatomical nomenclature of serotonergic systems in the rodent hindbrain.

Serotonergic regions and subdivisions	References	B5–B9 terminology used by other authors	References	Other commonly accepted terminology	References	Distance from bregma in the rat brain
DRD	Paxinos and Watson, 1998	B7d	Muzerelle et al., 2016			−7.580 to −8.336 mm
rDRD	Donner et al., 2012a			rostral dorsal DR	Commons 2008	−7.580 to −7.916 mm
cDRD	Donner et al., 2012a			middle dorsal DR, dorsomedial DR	Commons et al., 2003, Commons, 2008, Lowry et al., 2008, Okere and Waterhouse, 2006, McEuen et al., 2008, Spiacci et al., 2016	−8.000 to −8.336 mm
DRD shell vs. DRD core	Abrams et al., 2005, Hioki et al., 2010					−7.580 to −8.336 mm
DRV	Paxinos and Watson, 1998	B7v	Muzerelle et al., 2016			−7.580 to −8.504 mm
rDRV	Donner et al., 2012a			rostral ventral DR	Commons 2008	−7.580 to −7.916 mm
cDRV	Donner et al., 2012a			middle ventral DR	Commons 2008	−8.000 to −8.504 mm
DRVL/VLPAG (left and right side)	Paxinos and Watson, 1998	B7l	Muzerelle et al., 2016	lateral wings	Commons 2008	−7.832 to −8.504 mm
DRC	Paxinos and Watson, 1998	B6	Jensen et al., 2008, Okaty et al., 2015, Muzerelle et al., 2016	caudal dorsal DR	Commons 2008	−8.420 to −8.672 mm
DRI	Paxinos and Watson, 1998	B5	Jensen et al., 2008, Okaty et al., 2015, Muzerelle et al., 2016	caudal ventral DR	Commons 2008	−8.420 to −8.672 mm
MnR	Paxinos and Watson, 1998	B8	Jensen et al., 2008, Okaty et al., 2015, Muzerelle et al., 2016			−7.832 to −8.504 mm
rMnR	Fox et al., 2017					−7.832 to −8.084 mm
cMnR	Fox et al., 2017					−8.168 to −8.504 mm
B9/PMRF	Fox et al., 2017, Paxinos and Watson, 1998, Vertes and Crane, 1997	B9	Jensen et al., 2008, Okaty et al., 2015, Muzerelle et al., 2016			−7.580 to −9.260 mm

Abbreviations: cDRD, dorsomedial DR (caudal aspect of the dorsal raphe nucleus, dorsal part); cDRV, caudal aspect of the dorsal raphe nucleus, ventral part; cMnR, caudal aspect of the median raphe nucleus; DRC, dorsal raphe nucleus, caudal part; DRD, dorsal raphe nucleus, dorsal part; DRI, dorsal raphe nucleus, interfascicular part; DRV, dorsal raphe nucleus, ventral part; DRVL, dorsal raphe nucleus, ventrolateral part; MnR, median raphe nucleus; PMRF, pontomesencephalic reticular formation; rDRD, rostral aspect of the dorsal raphe nucleus, dorsal part; rDRV, rostral aspect of the dorsal raphe nucleus, ventral part; rMnR, rostral aspect of the median raphe nucleus; VLPAG, ventrolateral periaqueductal gray.