A tubular structure of relatively uniform size that connects a mitochondrial crista to the mitochondrial inner boundary membrane. [ http://www.ncbi.nlm.nih.gov/pubmed/21944719 GOC:mcc http://www.ncbi.nlm.nih.gov/pubmed/22009199 http://www.ncbi.nlm.nih.gov/pubmed/21987634 ]
Synonyms: cristae junction crista junction