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 plant that can cause an itchy, uncomfortable rash on your skin. Poison ivy grows as a shrub or vine in woods, fields, and areas of thick underbrush. It has 3 bright green leaves on each stem that turn red in autumn. A poison ivy rash can occur when the plant oil soaks into your skin.