Faber

almost 7 years ago

Is a disease that affect the first or the second motoneuron. The symptoms vary between the two syndromes. Examples are: a lesion of the pyramidal tract (Upper MN lesion) maybe caused by a stroke, a lesion of anterior horn of Spinal chord or of a peripheral nerve ( lower MN). there is only 1 important pathology that affect both UMN and LMN: ALS