title: We still invoke friction and Occam's razor to explain catch in the spines of Eucidaris tribuloides.
authors.affiliation: Institute of Neurobiology, University of Puerto Rico, San Juan 00901.
authors.forename: J
authors.initials: J
authors.lastname: del Castillo
authors.forename: D S
authors.initials: DS
authors.lastname: Smith
mesh_terms: D000818:Animals; D001696:Biomechanical Phenomena; D003094:Collagen / Q000502:physiology; D004447:Echinodermata / Q000033:anatomy & histology* / Q000502:physiology; D004734:Energy Metabolism; D009132:Muscles / Q000502:physiology
chemical_list: D003094:Collagen