File:Cholesterol molecule spacefill.pngDescriptionCholesterol molecule spacefill.png Space-filling model of the cholesterol molecule, a compound essential for animal life that forms the membranes
File:Zymosterol molecule spacefill.pngDescriptionZymosterol molecule spacefill.png Space-filling model of the zymosterol molecule, a compound that is synthesised into cholesterol during biosynthesis
File:Lathosterol molecule spacefill.pngDescriptionLathosterol molecule spacefill.png Space-filling model of the lathosterol molecule, a steroid similar to cholesterol. Color code: Carbon, C: black