Because Parkinsonâs disease symptoms are due to a deficiency of the brain chemical dopamine, the main drug treatments help increase dopamine levels in the brain. Levadopa, usually combined with carbidopa, is the standard drug treatment.
Here are all the possible meanings and translations of the word poison-ivy. Wiktionary(0.00 / 0 votes)Rate this definition: poison-ivy(Noun) A woody vine plant in the family Anacardiaceae well-known for its ability to produce urushiol, a skin irritant that causes an itching rash for most people.
Poison ivy and its fruits, called drupes. In humans, contact with poison ivy causes a reaction known as a cell-mediated immune response. Basically, as Pell explains, the urushiol binds to proteins in the membrane of your skin cells and interferes with their ability to communicate with other cells.