March 2018 - Vol 138 No 3

In this issue, Hurbain et al. and Correia and coworkers characterize and describe the ultrastructure of melanosomes in human keratinocytes. The cover figure provided by Hurbain and colleagues depicts a model of keratinocyte melanosomes. See the Original Articles on pages 637 and 647 for details. Black, melanin; yellow, mitochondria; white, endoplasmic reticulum; blue, ribosomes.