Source:http://linkedlifedata.com/resource/umls/id/C0521119
CSP: interstitial space between cells, occupied by interstitial fluid and amorphous and fibrous substances.,GO: The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite. [GOC:go_curators]