Word Origin and History for mesopotamian. ancient name for the land that lies between the Tigris and Euphrates rivers (in modern Iraq), from Greek mesopotamia (khora), literally a country between two rivers, from fem. of mesopotamos, from mesos middle (see medial (adj.)) + potamos river (see potamo-).
Monogenic forms, caused by a single mutation in a dominantly or recessively inherited gene, are well-established, albeit relatively rare types of PD. They collectively account for about 30% of the familial and 3%â5% of the sporadic cases.
Monogenetic Disorders A plethora of human diseases have been identified as having a genetic origin and whilst some of these arise as result of mutations occurring at multiple locations, a substantial proportion manifest as result of a single gene mutation, synonymous with the common term of âmonogenic disordersâ [1].