title: Neuraxial dimensions.
authors.forename: M
authors.initials: M
authors.lastname: O'Sullivan
authors.forename: B D
authors.initials: BD
authors.lastname: O'Donnell
mesh_terms: D000328:Adult; D000767:Anesthesia, Epidural / Q000379:methods*; D000773:Anesthesia, Obstetrical / Q000379:methods*; D000775:Anesthesia, Spinal; D004824:Epidural Space / Q000033:anatomy & histology / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D011247:Pregnancy; D012867:Skin / Q000033:anatomy & histology / Q000000981:diagnostic imaging; D014463:Ultrasonography