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.
Hyponyms (each of the following is a kind of genetic defect): monogenic disease; monogenic disorder (an inherited disease controlled by a single pair of genes). otosclerosis (hereditary disorder in which ossification of the labyrinth of the inner ear causes tinnitus and eventual deafness).yponyms (each of the following is a kind of genetic defect): monogenic disease; monogenic disorder (an inherited disease controlled by a single pair of genes). otosclerosis (hereditary disorder in which ossification of the labyrinth of the inner ear causes tinnitus and eventual deafness).