Here, an optimized step-by-step protocol is provided for fixation, immunostaining, and sectioning of embryos to detect specialized signaling filopodia called cytonemes in developing mouse tissues.
Hall, E. T., Daly, C. A., Zhang, Y., Dillard, M. E., Ogden, S. K. Fixation of Embryonic Mouse Tissue for Cytoneme Analysis. J. Vis. Exp. (184), e64100, doi:10.3791/64100 (2022).