Category: S

The neurological syndrome of amblyopia, painful neuropathy, and orogenital dermatitis that occurs in undernourished persons in many tropical countries. In the U.S., the syndrome occasionally is seen in alcoholic patients. Treatment is symptomatic and includes adequate nutrition. Formerly called Jamaican neuritis.  

Strabismus due to contraction of an ocular muscle.  

An instrument for determining the amount of strabismus.  

A sudden outburst or exacerbation of the symptoms of a disease.  

A balsam obtained from the scarred trunk of Liquidambar orientalis. It is a component of tincture of benzoin and has been used as an expectorant.  

A valve that regulates the flow of fluid from a container,  

A purified protein isolated from the venom of the stonefish, one of the most lethal members of the animal kingdom. The protein dissolves cells and tissues, and produces hypotension and death after it contacts animal tissues.  

A poisonous member of the Synanciidae family that carries a deadly tissue-destructive enzyme in its spines. Divers exposed to the toxin may die within days of exposure, often after a painful and mutilating illness.  

A calcified stone present in the ducts of salivary glands; also called sialolith.  

A deformed fetus with a very small head and neck.