A relation between distinct material continuants when one succeeds the other across a temporal divide in such a way that at least a significant portion of the matter of the earlier continuant is inherited by the later.

Disulfide Linkage Between Two Thiols derives_from Sulfhydryl Group

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.