Fig. 6
Myoanatomical detail of Monobryozoon ambulans based on phalloidin staining and confocal microscopy. A Lateral view showing the main concentrations of the main muscle systems. B Detail of the lophophoral base and foregut. C Detail of the apertural area showing the orificial sphincter. D Detail of the basal appendages showing individual muscles not connected to the main body cavity. am—apertural muscles, b—bud, ba—basal appendage, db—duplicature band, dg—digestive tract, dis—diaphragmatic sphincter, o—orifice, os—orificial sphincter, pm—parietal muscles, pxm—pharynx musculature, rm—retractor muscles, tm—tentacle muscles