it is suggested that in the castrated male rat nicotine can activate cholinergic nicotine-like receptors facilitating da and na turnover and release in various hypothalamic ca nerve terminal systems including those inhibiting the secretion of prolactin and lh ( da terminals in medial and lateral palisade zone , respectively ) and facilitating secretion of tsh ( na terminals in the parvocellular part of the paraventricular hypothalamic nucleus ) .
C0007412
ca
C0013030
da