Category: E

An occasionally used synonym for intravenous pyelography (IVP).  

In the pharmaceutical industry, patent protection for drug manufacturers who may produce a therapeutic agent with out competition from other drug suppliers.  

A neurotransmitter (e.g., glutamate or aspartate) that can cause brain cell injury or death if its action is unabated. Brain damage is mediated by excitotoxins during prolonged seizure activity and stroke.  

The new state produced when energy is added to a nucleus, atom, or molecule. The energy is added by the absorption of photons or by collisions with other particles. When an atom lacks an electron, it is referred to as being in an excited state.  

The eruption of inflammatory rashes far from an initial exposure to an allergen or irritant. The syndrome can cause false-positive reactions during allergy patch testing.  

To give up or substitute something for something else.  

Removal of the brain, especially that of the dead fetus to facilitate delivery.  

Amputation of a limb through a joint.  

A mental state characterized by feelings of grandeur, excessive joy, elation, and optimism; an abnormal feeling of personal well-being or self-importance. A psychological condition marked by self-contentment, euphoric happiness, heightened cheerfulness, optimism, or delusions of grandiosity.  

A chemical produced by one part of an embryo that stimulates organ and tissue development in another part.