Fig. 5
From: Convergent evolution of the sensory pits in and within flatworms
Formation of the pits during head regeneration, as visualized with antibodies against tyrosinated tubulin (yellow, A–C), phalloidin staining for F-actin (green, A′–C′), and Hoechst staining for cell nuclei (cyan). Schematic drawings of the pit formation during regeneration (A″–C″), scale bars 10 μm. Abbreviations: br brain, f fundus, lnc longitudinal nerve cord, np brain neuropile, nsp nerve of the sensory pit, ph pharynx, ps sphincter of the sensory pit, rm rostral musculature, rn rostral nerves