Category: H

A purine derivative, C5H4N40, in muscles and tissues in a stage of uric acid formation. It is formed during protein decomposition. Hypoxanthine is normal in urine in small amounts.  

Incomplete development of the venous system in an area, resulting in atrophy or degeneration.  

Less than normal amount of uric acid in the urine.  

Surgical incision of the hypotympanum.  

In physiology, an abnormally low intrinsic resting tension (i.e., low tone in muscles or arteries). Hypotonia refers to an unusual lack of muscle tone. Under normal circumstances, even a muscle at rest maintains a certain level of inherent tension. However, in various conditions that impact the nervous system, this natural tension decreases.  

Marked by insufficient thyroid secretion.  

Decreased activity of the thymus.  

A specially designed blanket for cooling patients with hyperthermia. It has flexible tubing between the layers of cloth through which cold water is circulated.  

Diminished emulsification of fats during digestion.  

Decreased osmolar concentration, especial of the blood or urine.