Fig. 5.
Funicular structure in Cinctipora elegans. Semithin sections, toluidine blue. a Longitudinal section of the proximal part of a zooid showing the funiculus which originates from the body wall and attaches to the caecum. b Cross section of a funiculus showing the regular arrangement of its longitudinal muscles. Abbreviations: cae – caecum, cw – cystid skeletal wall, es – endosaccal space (coelom), ex – exosaccal space, f – funiculus, fm – funicular musculature, ms – membranous sac (peritoneum of body wall)