2D-3D hybrid models: these are techniques that are neither 3D culture nor 2D culture but a combination of the two. Here, we find the use of mouse explants and organ-derived monolayers (ODMs). The sources shown are references 31 (Baydoun et al., 2017), 50 (Wilke et al., 2019), 76 (Martorelli Di Genova et al., 2019), and 89 (Holthaus et al., 2020).