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 a chronic, progressive disorder that affects nerve cells deep in the brain responsible for planning and controlling body movement.Dopamine is a chemical used in body movement.When the dopamine-producing nerve cells die, symptoms such as tremor, slowness, stiffness, and balance problems begin to occur. The cause of Parkinson's is largely unknown, and the disease cannot be cured at this time.o understand Parkinson's, it is helpful to understand how the nervous system works and how PD affects normal functions (see Anatomy of the Brain). Nerve cells, or neurons, are the basic building blocks of the nervous system. The neuron is responsible for sending and receiving nerve impulses or messages.