part_of part of part of ends during starts during lateral plate mesoderm filter chamber The structure that enables tadpoles, which are suspension feeders, to trap food particles. The palatoquadrate, ceratohyal and the connecting muscles are responsible for the irrigation and ventilation of the filter apparatus. peribranchial chamber coelom coelomic filter chamber filter apparatus xenopus_anatomy XAO:0000439 anatomical space NF stage 28 NF stage 62