Source:http://linkedlifedata.com/resource/umls/id/C0007987
CSP: in vitro (outside the body, tissue, or cell) synthesis of chemical compounds, usually organic, other than drugs; should NOT be used for BIOSYNTHESIS; consider other more specific chemical synthesis terms, such as PEPTIDE CHEMICAL SYNTHESIS or NUCLEIC ACID CHEMICAL SYNTHESIS.,MSH: Used for the chemical preparation of molecules in vitro. For the formation of chemical substances in organisms, living cells, or subcellular fractions, "biosynthesis" is used.