Achondrogenesis, also known as achondrogenesis syndrome, is related to achondrogenesis, type ib and achondrogenesis, type ii. An important gene associated with Achondrogenesis is COL2A1 (Collagen Type II Alpha 1 Chain), and among its related pathways/superpathways are ERK Signaling and Integrin Pathway. Affiliated tissues include bone and skin, and related phenotypes are macrocephaly and frontal bossing