Development -- Voronezhskaya et al. 131 (15): 3671 Figure IG3

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Fig. 3. Effects of monoamine precursors on larval development. (A) In Helisoma, 5-HTP (1 mM) retarded the development similar to CW, while L-DOPA (10 mM) was ineffective. (B) In Lymnaea, L-DOPA (1 mM) retarded the development, while 5-HTP (10 mM) insignificantly slowed the development at the late stages only. (C,D) In both species, the effect of the precursors disappeared after washout (the beginning of washout is indicated by arrows).