title: Introduction.
authors.affiliation: Department of Craniofacial Development & Stem Cell Biology, King's College, London. abigail.tucker@kcl.ac.uk.
authors.forename: Abigail
authors.initials: A
authors.lastname: Tucker
authors.affiliation: Department of Physiology, Development & Neuroscience, University of Cambridge. mjm68@cam.ac.uk.
authors.forename: Matthew
authors.initials: M
authors.lastname: Mason
mesh_terms: D000818:Animals; D004423:Ear / Q000033:anatomy & histology* / Q000196:embryology / Q000502:physiology; D008322:Mammals / Q000033:anatomy & histology / Q000502:physiology