{"id":"S85122927","label":"Sinoatrial node","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85122927","normalized_label":"sinoatrial node","broader":["http://id.loc.gov/authorities/subjects/sh85059743"],"aliases":["Keith and Flack's node","Keith's node","Node of Keith and Flack","Node, Sinoatrial","Nodus sinuatrialis","S-A node","SA node","Sinus node"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85122927","provider":"lcsh","revision":"71f3005156aaa16c","taxonomy_revision":"f050b5d4780b1289","title":"Sinoatrial node","url":"/topics/S85122927","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9550103204294182404","address_version":"morton4x16-v1","coordinates":[0,20,19325,48128],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}