Active ER transportSimultaneous acquisition of ER morphology and individual luminal particles Regenerating neurites from iNeurons culture after mechanical wounding Yellow: ER, pink: mito Tubule simulationER_neurons_zoomER Luminal single-particle trajectoriesCalcium firingPhotoactivation iNeuronSupplementary Movie VideoS9Halotag-OregonGreen ER COS7 CellsER and Mito in a COS-7 cellVisualising aggregates in ERCalcium dynamics in iNeuronsAsynchronous calcium activity in iNeuron cultureER network morphology in COS-7 cellER network morphology with zoomER network morphology