An optical image of H&E-stained sagittal mouse brain section showing the anatomy of the brain and selected ion images from a dry-coated serial sagittal section showing the phospholipid patterns in the brain. CB, cerebellum; CC, corpus callosum; CTX, cerebral cortex; HY, hypothalamus; M, medulla; P, pons; TH, thalamus; V4, fourth ventricle; VL, lateral ventricle; PC, phosphatidylcholine; SM, sphingomyelin. Reprinted with permission from ref. Copyright 2008 Elsevier.