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. Author manuscript; available in PMC: 2009 Sep 1.
Published in final edited form as: Prog Lipid Res. 2008 Mar 29;47(5):319–332. doi: 10.1016/j.plipres.2008.03.001

Figure 2.

Figure 2

The chemical structure of cholesterol. Note that the α-face of the nucleus (facing down) is "smooth" while the β-face (facing up) is made "rough" by the projection of methyl groups from carbons 10 and 13. Courtesy of Mark E. Duban.