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Fig. S9 Female pectoral fin BT growth is affected by PTK787. (Aa,Ba) A single row of BTs on the intact fin, and 6dpa regenerate stump after 6 dot with PTK787 and 4 dot testosterone. No BTs were visible in the regenerate (Aa). (Ca,Da) Small individual BTs appear in the fin regenerate after 8 dot with PTK787 and 6 dot with testosterone. BTs are visible on the intact fin and stump. (Ea,Fa) Small BT cluster on the regenerate 14 dot with PTK787 and 12 dot with T. Small BTs on the intact fin and stump. (Ab,Bb) After 4 dot, T-treated females develop BT clusters on the regenerate, stump, and intact fin. (Cb-Fb) BT clusters continue to grow on the intact fin, stump, and regenerate from 6-12 dot with T. (Ac-Fc, Ad-Fd) No BT growth in the intact and regenerating fins with PTK787 treatments or system water controls. White vertical lines indicate the amputation plane. Scale bars for all panels = 100μm.