Microcephaly, Seizures, and Developmental Delay, also known as developmental and epileptic encephalopathy 10, is related to microcephaly and visual epilepsy. An important gene associated with Microcephaly, Seizures, and Developmental Delay is PNKP (Polynucleotide Kinase 3'-Phosphatase), and among its related pathways/superpathways is DNA Damage. Affiliated tissues include brain and skeletal muscle, and related phenotypes are hyporeflexia and seizure