Figure 2.

Sex difference in steroidal responses after exposure to synthesized pheromone component in sea lamprey. Exposure to 3kPZS increased plasma 15α-hydroxyprogesterone (15α-P) concentrations in immature male but not in immature female sea lamprey. Δ15α-P = (post-treatment 15α-P level) - (pre-treatment 15α-P level). * Statistically different from 0 h control group (p < 0.05).

Chung-Davidson et al. BMC Neuroscience 2013 14:11   doi:10.1186/1471-2202-14-11
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