Neudexta n. a trade name for dextromethorphan in combinatio...
oculomotor apraxia a condition in which willed (i.e., purpo...
dong quai an herbal agent derived from the plant Angelica s...
involutional adj. describing the decline of the body or any...
placebo control group a group of participants in a study wh...
myelencephalon n. see medulla oblongata.