Fig. 16 in Reduction, rearrangement, fusion, and hypertrophy: evolution of the muscular system in polymorphic zooids of cheilostome Bryozoa

Fig. 16 Morphology and anatomy of vibracularia in Discoporella terminata. A, B Stereomicroscope; C–E histological sectioning, light microscopy. A, B Part of living colony showing frontal colony surface with autozooids and vibracularia with setae in various positions. C–E Sagittal sections showing muscular elements and shape of the