Table 3.
Results of lGnRH Receptor-1, -2, and -3 RNA expression in the brain of female/male adult sea lamprey by in situ hybridization.
| Regions of the brain and pituitary | lGnRH-R-1 | lGnRH-R-2 | lGnRH-R-3 | |||
|---|---|---|---|---|---|---|
| Female | Male | Female | Male | Female | Male | |
| TELENCEPHALON | ||||||
| Olfactory bulb | + | ++ | ++ | + | ++ | — |
| DIENCEPHALON | ||||||
| Epithalamus | ||||||
| Habenula | +++ | ++ | + | + | — | — |
| Pineal | — | +++ | +++ | — | +++ | — |
| Thalamus | ++ | +++ | ++ | ++ | — | — |
| Hypothalamus | ++ | ++ | + | — | — | — |
| Anterior preoptic area | + | ++ | + | + | — | — |
| Mesencephalon | — | +++ | ++ | ++ | — | — |
| PITUITARY | ||||||
| Adenohypophysis | ||||||
| Rostral pars distalis | +++ | +++ | +++ | +++ | +++ | +++ |
| Proximal pars distalis | ++ | ++ | ++ | ++ | ++ | ++ |
| Pars intermedia | — | + | — | — | — | — |
Each column presents data representative of individual lampreys. +, light expression; ++, moderate expression; +++, intense expression; —, no detected expression.