A relation between a material continuant and an immaterial continuant, when the material continuant is located in but shares no parts in common with the immaterial continuant at the same time

Tumor Extracellular Fluid contained_in Tumor Extracellular Space

Smith B, Ceusters W, Klagges B, Kohler J, Kumar A, Lomax J, Mungall C, Neuhaus F, Rector AL, Rosse C: Relations in biomedical ontologies. Genome Biol 2005, 6: R46.