Assertion: lipid's number | /r/UsedFor | refer to total number of double bonds
Facets:
Source sentences:
text: Lipid nomenclature in this study follows the classification system used in LIPIDMAPS (http://www.lipidmaps.org) and developed by Fahy, et al.37,38, where the first set of letters represents the lipid class (head group), modifications are denoted by any following letters (h or HETE for hydroxyl group presence and O for loss of a carboxyl group from one of the fatty acyl chains), the number preceding the colon denotes the summed carbon chain lengths, and the number following the colon refers to the total number of double bonds in the carbon chains.