Category: U

A condition in which urates are present in the blood, e.g. in gout.  

A pyrimidine base, one of the four bases in RNA in which it pairs with thymine.  

With the top turned to the bottom.  

A slight illness.  

An infection in the upper part of the respiratory system. An imprecise term for any infection involving the nasal passages, pharynx, and bronchi. The cause is usually bacterial or viral, and, occasionally, fungal.  

A neurone which takes impulses from the cerebral cortex. A neuron that starts in the motor region of the brain and ends in the motor nuclei of a cerebral nerve or in the central grey column of the spinal cord.  

An arm.  

The part of the arm from the shoulder to the elbow.  

At the top, higher.  

A condition in which a woman becomes pregnant without wanting to have a child.