Ma'anar ƙamus na neurogenesis shine tsarin da ake samar da sababbin jijiya a cikin kwakwalwa. Ya ƙunshi ƙirƙira, haɓakawa, da haɓaka sabbin ƙwayoyin cuta daga ƙwayoyin jijiyoyi masu ƙarfi, waɗanda ke iya bambanta cikin nau'ikan sel daban-daban a cikin tsarin jijiya. Neurogenesis wani muhimmin tsari ne na koyo da ƙwaƙwalwa, kuma an danganta shi da cututtuka daban-daban na ƙwayoyin cuta da na tabin hankali.