ZD1839: A substance that is being studied as an anticancer drug.

Ziconotide: A drug used in the treatment of chronic pain. Also called SNX 111.

Zidovudine: A drug that inhibits the human immunodeficiency virus (HIV) that causes AIDS. Also called AZT.

Zinc oxide: A compound that may enhance immune function, especially when administered by inhalation.

Zoledronatalation: A compound that may enhance immune function, especially when administered by inhalation.

Zollinger-Ellison syndrome: A disorder in which tumors of the pancreatic islet cells produce large amounts of gastrin (a hormone), leading to excess acid in the stomach and, possibly, a peptic ulcer (ulcer of the stomach or the upper part of the small intestine).

ZD1839: A substance that is being studied as an anticancer drug.

Ziconotide: A drug used in the treatment of chronic pain. Also called SNX 111.

Zidovudine: A drug that inhibits the human immunodeficiency virus (HIV) that causes AIDS. Also called AZT.

Zinc oxide: A compound that may enhance immune function, especially when administered by inhalation.

Zoledronatalation: A compound that may enhance immune function, especially when administered by inhalation.

Zollinger-Ellison syndrome: A disorder in which tumors of the pancreatic islet cells produce large amounts of gastrin (a hormone), leading to excess acid in the stomach and, possibly, a peptic ulcer (ulcer of the stomach or the upper part of the small intestine).