title: Introduction to the special section dedicated to Paul Letourneau's contributions to the understanding of growth cones and axons.
authors.forename: Peter W
authors.initials: PW
authors.lastname: Baas
authors.forename: Gianluca
authors.initials: G
authors.lastname: Gallo
mesh_terms: D000818:Animals; D001369:Axons / Q000502:physiology*; D015509:Developmental Biology / Q000266:history*; D020439:Growth Cones / Q000502:physiology*; D049673:History, 20th Century; D049674:History, 21st Century; D009488:Neurosciences / Q000266:history*