NCIt definition : A species of free-living amoeba in the family Balamuthiidae. B. mandrillaris is the
causative agent of granulomatous amoebic encephalitis. It was isolated from the brain
of a captive baboon and has not been definitively isolated in nature.;
Alternative definition : CDISC: Any amoebic organism that can be assigned to the species Balamuthia mandrillaris.;