Table 1.
Comparative distribution and relative abundance of 3β -HSD- and P450C17-positive neurons, VT- and MT-immunoreactive fibers, and VTR and MTR mRNAs in the telencephalon and diencephalon of the frog R. esculenta
| Structuresa | 3β-HSDb cells | P450C17c cells | VTd fibers | MTd fibers | VTR mRNA | MTR mRNA |
|---|---|---|---|---|---|---|
| Telencephalon | ||||||
| Accessory olfactory bulb (AOB) | − | − | − | − | − | − |
| Anterior commissure (AC) | − | + | + | ++ | − | ++ |
| Anterior entopeduncular nucleus (Ea) | − | − | + | + | + | + |
| Bed nucleus of the pallial commissiure (BN) | − | + | − | − | − | + |
| Dorsal pallium (DP) | − | + | − | − | ++ | +++ |
| Dorsal striatum (DS) | − | − | + | + | ++ | ++ |
| Lateral amygdala (LA) | − | ++ | + | + | +++ | +++ |
| Lateral pallium (LP) | − | + | + | + | +++ | +++ |
| Lateral septum (LS) | − | − | +++ | ++ | ++ | ++ |
| Medial amygdala (MA) | − | + | +++ | ++ | + | +++ |
| Medial pallium (MP) | − | + | − | ++ | ++ | +++ |
| Medial septum (MS) | − | − | + | + | + | + |
| Nucleus accumbens (NA) | − | − | + | + | + | +++ |
| Olfactory bulb, extragranular plexiform layer (EPL) | − | − | + | + | − | − |
| Olfactory bulb, glomerular layer (GL) | − | − | − | − | − | − |
| Olfactory bulb, internal granular layer (IGL) | − | + | + | + | + | + |
| Olfactory bulb, mitral cellular layer (ML) | − | ++ | − | − | − | − |
| Olfactory tubercle (TO) | − | − | + | + | + | − |
| Postolfactory eminence (PE) | − | − | − | + | − | − |
| Ventral striatum (VS) | − | − | − | + | +++ | +++ |
| Diencephalon | ||||||
| Anterior preoptic area (Poa) | +++ | +++ | +++ | +++ | +++ | +++ |
| Anterior thalamic nucleus (A) | − | − | − | − | + | + |
| Bed nucleus of the stria medullaris (BM) | − | − | − | − | − | − |
| Central thalamic nucleus (CNT) | − | − | + | + | ++ | ++ |
| Corpus geniculatum thalamicum (CP) | − | − | − | − | − | − |
| Dorsal hypothalamic nucleus (DH) | ++ | + | ++ | + | +++ | ++ |
| Habenular commissure (Hc) | − | − | − | − | − | − |
| Dorsal habenular nucleus (Hd) | − | +++ | − | − | ++ | − |
| Epiphysis (E) | − | − | − | − | − | − |
| Lateral thalamic nucleus, anterior division (La) | − | − | + | + | − | + |
| Lateral hypothalamic nucleus (LH) | − | − | +++ | ++ | − | − |
| Lateral thalamic nucleus, posterodorsal division (Lpd) | − | − | − | − | − | − |
| Lateral thalamic nucleus, posteroventral division (Lpv) | − | − | − | − | − | − |
| Magnocellular preoptic nucleus (Mg) | − | + | +++ | +++ | + | + |
| Magnocellular preoptic nucleus, dorsal part (Mgd) | − | + | ++ | ++ | +++ | + |
| Magnocellular preoptic nucleus, ventral part (Mgv) | − | ++ | +++ | +++ | +++ | ++ |
| Neuropil of Bellonci (B) | − | − | − | − | − | − |
| Nucleus of Bellonci (NB) | − | − | − | − | − | − |
| Nucleus of the periventricular organ (NPv) | ++ | ++ | ++ | + | +++ | +++ |
| Optic chiasma (OC) | − | − | − | − | − | − |
| Optic nerve (ON) | − | − | − | − | − | − |
| Organum vasculosum (OV) | − | − | − | − | − | − |
| Posterior entopeduncular nucleus (Ep) | − | − | − | − | − | − |
| Posterior thalamic nucleus (P) | − | − | + | + | ++ | +++ |
| Posterior tuberculum (TP) | ++ | ++ | ++ | +++ | +++ | +++ |
| Subcommissural organ (CO) | − | − | + | + | − | − |
| Superficial ventral thalamic nucleus (Vs) | − | − | − | − | − | − |
| Suprachiasmatic nucleus (SC) | + | + | +++ | +++ | ++ | ++ |
| Thalamic eminence (TE) | − | − | + | + | − | + |
| Uncinate neuropil (U) | − | − | + | + | − | − |
| Ventral habenular nucleus (Hv) | − | + | ++ | ++ | ++ | − |
| Ventral hypothalamic nucleus (VH) | ++ | +++ | +++ | ++ | +++ | ++ |
| Ventrolateral thalamic nucleus, dorsal part (Vld) | − | − | − | − | + | − |
| Ventrolateral thalamic nucleus, ventral part (Vlv) | − | − | − | − | + | − |
| Ventromedial thalamic nucleus (VM) | − | + | + | + | +++ | ++ |
The following scale was used: +++, high density; ++, moderate density; +, low density; −, no immunoreactive cell bodies or fibers or no mRNA hybridization signal.
aAbbreviations according to Neary and Northcutt (1983).
bDistribution of 3β -HSD-immunoreactive cells in the telencephalon and diencephalon of R. esculenta according to Mensah-Nyagan et al. (1994).
cDistribution of P450C17-immunoreactive cells in the telencephalon and diencephalon of R. esculenta (our unpublished data).
dDistribution of VT- and MT-immunoreactive fibers in the telencephalon and diencephalon of the frog R. esculenta (R. perezi) according to González and Smeets (1992) and Smeets and González (2001).