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 is a very common plant found in most parts of the United States. It has 2 forms. One form grows low to the ground. It is usually found in groups of many plants and looks like weeds growing from 6 inches to 30 inches high. The other form is a hairy vine that grows up a tree.