Figure 1
From: Posterior regeneration in Isodiametra pulchra (Acoela, Acoelomorpha)
Various representations of mature specimens of Isodiametra pulchra , to illustrate the internal organisation and the level of the cut. Anterior facing upwards in all panels. A. Schematic drawing showing the level of the cut. B. Image of a live squeezed specimen. C. Projection of specimen labelled with fluorophore-tagged phalloidin. Inset: Posterior tip with muscle fibres and swallow’s nest receptors. Abbreviations: bn, bursal nozzle; cv, chordoid vacuole; cop, male copulatory organ; m, mouth; o, oocyte; sb, seminal bursa; sp, sperm; sph, female sphincter; st, statocyst; t, testes; ve, vestibulum. Scale bars: A, B, C 80 μm; Inset 10 μm.