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Table 5 Sex-inducing activity in 3 fragments obtained according to the topological position of the sexual organs

From: Sex-inducing effect of a hydrophilic fraction on reproductive switching in the planarian Dugesia ryukyuensis (Seriata, Tricladida)

Test food Number of test worms that developed a pair of ovaries (%) Number of test worms that differentiated a copulatory apparatus (%)
Head fragments 0/25 (0.0) 0/25 (0.0)
Middle fragments 24/25 (96.0) 18/25 (72.0)
Tail fragments 24/25 (96.0) 15/25 (60.0)
  1. The different fragments are described in Figure 5.