Involvement of L-arginine/nitric oxide pathway at the paraventricular nucleus of hypothalamus in central neural regulation of penile erection in the rat.

Investigates whether the L-arginine/nitric oxide pathway is involved in the neurotransmission of paraventricular nucleus of hypothalamus activation-induced penile erection in the rat. Cannulation of the femoral artery; Measurement of systemic and mean arterial pressure; Measurement of intracavernous pressure.