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.
Parkinson's disease (PD, also known as idiopathic or primary parkinsonism, hypokinetic rigid syndrome (HRS), or paralysis agitans) is a degenerative disorder of the central nervous system mainly affecting the motor system.arkinson's disease is more common in older people, with most cases occurring after the age of 50; when it is seen in young adults, it is called young onset PD (YOPD). The main motor symptoms are collectively called parkinsonism, or a parkinsonian syndrome. The disease can be either primary or secondary.