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Glossary

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Vasoconstrictor:

an agent that causes narrowing of the blood vessels.

Vasodilator:

an agent that dilates the blood vessels.

Vesicant:

causing blistering of the skin.

Volatile:

unstable, evaporates easily.

Vulnerary:

an agent that helps heal wounds and sores by external application.

Vitamin A:

plays a role in vision maintenance. Helps fight against infection, assisting in the body's immune system. Aids bone growth.

Vitamin C:

Involved in the release of stress hormones from the adrenal glands. Protects iron and all water-soluble substances from oxidation. Required for the production and maintenance of collagen, a protein substance that forms the base of all connective tissues in the body.

Vitamin D:

Promotes normal bone mineralization. Acts as a hormone.

Vitamin E:

Acts as an antioxidant, a compound that protects other compounds from attack by highly reactive molecules known as free radicals. Protects white blood cells, a defense of the body against disease.