has target start location has target end location mitochondrial matrix cytosol mitochondrial calcium ion transmembrane transport calcium import into the mitochondrion GO:0036444 calcium ion import into mitochondrion calcium ion transmembrane import into mitochondrion bf biological_process mitochondrial calcium ion import mitochondrial calcium uptake A process in which a calcium ion (Ca2+) is transported from the cytosol into the mitochondrial matrix. 2013-10-28T09:32:39Z