pleasantrynoun [ C usually plural ] uk â /Ëplez.Én.tri/ us â /Ëplez.Én.tri/ formal. âº a polite and often slightly humorous remark, usually made to help other people feel relaxed: After exchanging pleasantries, the delegation revealed the purpose of their visit. Thesaurus: synonyms and related words. Informal talking & conversation. a problem shared is a problem halved idiom. blarney.
Parkinsonism is a general term that refers to a group of neurological disorders that. cause movement problems similar to those seen in Parkinsonâs disease, such as. tremors, slow movement and stiffness.
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.