Category: I

A dietary supplement, 7-isopropoxyisoflavone, synthesized from the soy protein isoflavone daidzein. It is promoted as a treatment for osteoporosis.  

A radiopaque contrast medium used in radiographical studies of the gallbladder.  

A radiopaque contrast medium used in radiographical studies of the gallbladder.  

A radiopaque contrast medium used in investigating arteries of the brain as well as in the rest of the body, and in studying kidney function.  

An abnormal speech pattern marked by the constant substitution of an e sound (Greek iota) for other vowels.  

Having an influence on glutamate-gated cell surface receptors, i.e., on cell membrane channels that open or close in the presence of ions.  

A compound that binds and carries metallic ions across cellular membranes.  

The process of adding or subtracting an electron from an atom. In radiology, ionization is the most common cause of radiobiological damage.  

A natural radioactive isotope of thorium. It has a mass number of 230.  

A group of diseases marked clinically by muscular weak ness, absent muscle tone, or episodic muscular paralysis. The diseases are caused by congenital defects in the cell membrane proteins that move ions into and out of the cell. These defects alter the cells’ resting potential, action potential, or both, and make them “fire” in effectively.…