Introduction // 2 Bioactive lipids and their precursors – 2.1 Glycerolipids – Triacylglycerols – Glycerophospholipids – Galacto-lipids – 2.2 Lipid antioxidants and polyisoprenes – 2.3 Endocannabinoids – 2.4 Sphingolipids – Lipolytic enzymes acting upon sphingolipids – Sphingomyelin and derived products – Glycosyl-ceramides – 2.5 Steroids – Sterols – Oxysterols – Steroid hormones – D vitamins – Bile acids // 3 Methodologies – 3.1 Lipid extraction – 3.2 Physical-chemical analyses – 3.3 Lipidomics approaches – 3.4 Fluoxolipidomics – 3.5 Lipid imaging // 4 Plasma lipoproteins – 4.1 Lipid components – 4.2 Functional dynamics