Multi-synaptic boutons are a feature of CA1 hippocampal connections in the stratum oriens. - Rigby M; Grillo FW; Compans B; Neves G; Gallinaro J; Nashashibi S; Horton S; Pereira Machado PM; Carbajal MA; Vizcay-Barrena G; Levet F; Sibarita JB; et al. (Cell reports, 2023)