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Electron micrographs of skin samples from a premature infant at 26 weeks of gestation.4 (A) The image shows the basal, spinous, and granular layers and a few layers of SC. The keratohyalin granules in the upper granular layer can be seen. (B) The stratum corneum is five layers thick at this time. Used with permission from Holbrook and Odland.4 SC, stratum corneum.
