umls-concept:C0677482 | skos:definition | CSP: relationship between two organisms where one (parasite) lives on or in the other (host) and derives nutrients and protection while injuring or killing the host; see RTs for specific organisms.,GO: An interaction between two organisms living together in more or less intimate association in a relationship in which association is disadvantageous or destructive to one of the organisms. [GOC:curators] | lld:umls |