To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 4. Dynamic movements of ER in the core of the axonal growth cone of untreated motoneurons. Motoneurons expressing mCherry ER were imaged using an epifluorescence microscope for 15 min at 2 sec intervals to visualize ER in the growth cone. Related to Fig. 2. Dynamic remodeling of ribosomes and endoplasmic reticulum in axon terminals of motoneurons Chunchu Deng, Mehri Moradi, Sebastian Reinhard, Changhe Ji, Sibylle Jablonka, Luisa Hennlein, Patrick Lüningschrör, Sören Doose, Markus Sauer, and Michael Sendtner J Cell Sci 2021. 134:None-None; doi: 10.1242/jcs.258785 Download Original Video