Pre-Existing Serotonergic Pathways Guide the Navigation of Developing Serotonergic Axons
Marta Picchi, Sara Migliarini, Serena Nazzi, Giulia Gianni, Skirmantas Janušonis, Noemi Barsotti, Massimo Pasqualetti
This study shows that developing serotonergic axons follow pre-existing serotonergic pathways, supporting the epiphytic guidance hypothesis.
bioRxiv · Sep 9, 2026 · PreprintNeuroscience