Primary Autosomal Recessive Microcephaly, also known as autosomal recessive primary microcephaly, is related to microcephaly 5, primary, autosomal recessive and microcephaly 9, primary, autosomal recessive. An important gene associated with Primary Autosomal Recessive Microcephaly is MCPH1 (Microcephalin 1), and among its related pathways/superpathways are Cell Cycle, Mitotic and EML4 and NUDC in mitotic spindle formation. Affiliated tissues include brain and eye, and related phenotypes are global developmental delay and microcephaly