Figure 12From: Dopaminergic neurons in the brain and dopaminergic innervation of the albumen gland in mated and virgin helisoma duryi (mollusca: pulmonata)Bar graph showing dopamine content in the central nervous system (CNS) and the albumen gland (AG) of H. duryi measured by high performance liquid chromatography with electrochemical detection and expressed in nmol of dopamine per mg of protein (mean ± SEM), sample size 6. Abbreviations: rm – randomly mating, v – virgin, ftm – first time mated snails.Back to article page