part of cuticular pore tracheal section taenidial channel 2019-11-29T11:53:05Z Pore found between taenidial folds of the tracheal cuticle that connects the tracheal luminal space to the apical surface of the tracheal cells (Itakura et al., 2018). Its internal surface is continuous with the cuticulin layer of the tracheal cuticle (Itakura et al., 2018). fly_anatomy.ontology TC FBbt:00048513