Examples of pleasantry in a sentence. â 1 how are youâ is merely a social pleasantry. 2  his after-dinner speeches usually include the sort of gentle pleasantry that raises a chuckle.
Parkinsonâs disease (PD) is the most common neurodegenerative cause of parkinsonism, a clinical syndrome characterized by lesions in the basal ganglia, predominantly in the substantia nigra.PD makes up approximately 80% of cases of parkinsonism.arkinsonâs disease (PD) is the most common neurodegenerative cause of parkinsonism, a clinical syndrome characterized by lesions in the basal ganglia, predominantly in the substantia nigra.
Parkinsonâs is a chronic, progressive disease characterized by motor symptoms including tremors, muscle stiffness, and slowed movement. About a third of patients also develop dementia during the later stages of the disease. There is no cure for Parkinsonâs, but the drug levadopa and other medications can control symptoms for many years.