Case pg208-11, fig3J-L. Soma notes 3 PHA-L injs were virtually limited to the SCh, with less than 5% of labeled neurons outside boundaries of nucleus itself. Injs A7 & A54 tended to label cells in ventral part of nucleus, while inj A25 extended more dorsally. Terminal notes 3rd Pway. pathway courses ventrally through ?anterior parts of the PVH. Fibres in the anterior parvicellular & periventricular parts of the PVH thicker, have large varicosities and display some clear terminal boutons..

Case pg208,212,221 fig3J-L. Soma notes 3 PHA-L injs were virtually limited to the SCh, with less than 5% of labeled neurons outside boundaries of nucleus itself. Injs A7 & A54 tended to label cells in ventral part of nucleus, while inj A25 extended more dorsally. Terminal notes 5th Pway. Many fewer fibres were observed in paraventricular nucleus itself & tended to lie within parvicellular parts of nucleus, although few long thin fibres with few widely spaced varicosities were seen through pos. magno part of nuc. Perhaps..