Category: O

Failure to exercise the care that an ordinary prudent person would exercise under similar circumstances.  

A device that fits into the lumen of a needle to prevent blockage during the puncture procedure.  

A tumor of the jaw that appears to arise from mesenchymal tissue.  

Myxedema following removal of the thyroid gland.  

Hereditary dystrophy of the extraocular muscles. This may progress to complete paralysis of these muscles.  

Movement of teeth and bone produced by orthodontic appliances.  

A layer of gelatinous substance containing otoconia or otoliths, found on the surface of maculae in the inner ear.  

The membrane in the upper part of the nasal cavity that contains olfactory receptors.  

A fibrous membrane closing the obturator foramen.  

The branch of medicine concerned with work-related diseases, hazards, and injuries; working conditions; employee rehabilitation; and the regulations that pertain to these issues.