title: Introduction.
authors.affiliation: Centro d'Estudis Avançats de Blanes (CEAB, CSIC) Accés a la Cala St Francesc, 14 17300 Blanes, Girona, Spain.
authors.forename: María-J
authors.initials: MJ
authors.lastname: Uriz
mesh_terms: D000818:Animals; D011161:Porifera / Q000502:physiology*; D012822:Silicon Dioxide / Q000378:metabolism*
chemical_list: D012822:Silicon Dioxide