| umls-concept:C1159432 | skos:definition | GO: The chemical reactions and pathways involving any of the vitamin A compounds, retinol, retinal (retinaldehyde) and retinoic acid, all of which are derivatives of beta-carotene. [GOC:jl, http://www.dentistry.leeds.ac.uk/biochem/thcme/vitamins.html#k] | lld:umls |
