Meier-Gorlin Syndrome 4, also known as mgors4, is related to spondyloepiphyseal dysplasia, maroteaux type and variola minor. An important gene associated with Meier-Gorlin Syndrome 4 is CDT1 (Chromatin Licensing And DNA Replication Factor 1), and among its related pathways/superpathways are L1CAM interactions and Interaction between L1 and Ankyrins. Affiliated tissues include breast and bone, and related phenotypes are microtia and low-set ears