Any Norwalk like virus. Diarrheal outbreaks caused by norovirus infections of the gastrointestinal tract have been reported in nursing homes,...

Urination which is of a normal amount and specific gravity.  

The presence of a normal concentration of cholesterol in the blood.  

The presence of a normal concentration of carbon dioxide in the blood and serum.  

Increased production and circulation of normoblasts. This indicates a need for greater oxygen-carrying capacity of the blood, as when mature...

A view of the skull as seen from above.  

A view of the inferior surface of skull.  

A view of the skull as seen in sagittal section.  

A view of the skull as seen from behind.  

A view of the skull as seen from the side; a profile view.