Category: M

A secretion in which the product is elaborated within cells and discharged through the cell membrane, the cell itself remaining intact.  

A battery of tests used to attempt to determine the presence of one or more diseases.  

An instrument used in mastoid operations.  

Scoliosis due to weakening of the spinal muscles.  

Sclerosis involving the tunica media of arteries, usually the result of involutional changes accompanying aging.  

A colloquial term for radionuclide reflux imaging.  

An electrically powered device used for calculus and tartar removal as an alternative to ultrasonic scaling or manual curettage. Typical units use a stack of metal strips in the handpiece and move in an elliptical pattern.  

The anterior root of a spinal nerve.  

An x-ray examination of the intestinal mucosa after ingested barium has been removed and air under slight pressure has been injected. This leaves a light coat of barium on the mucosa and permits x-ray pictures of the fine detail of the mucosa.  

A significant potential for harm that a reasonable person would want to consider when making a decision about undergoing a medical or surgical treatment.