Category: S

A speech defect in which difficult consonants are omitted.  

Of some cancers, growing or progressing slowly.  

Damage to the respiratory tract (i.e., upper airway inflammation and swelling) as a result of inhaling hot gases that may contain toxic substances. Persons exposed to gases produced by burning materials are at risk of developing acute injury to their lungs, and, depending on the composition of the smoke and the duration of the exposure,…

A calcified mass in the smegma.  

Term describing an infant whose birth weight is at or below the 10th percentile, as correlated with the number of weeks in utero on the intrauterine growth chart. Small for gestational age (SGA) is a term employed to characterize newborns whose height or weight falls below the tenth percentile for their estimated gestational age. The…

A test used to assess the effects of tension on the neuromeningeal tract (e.g., in nerve root injury, meningeal irritation, meningitis, disk disease, or central nervous system tumors). The patient is directed to sit slumped forward, flexing the entire trunk. The patient’s foot is dorsiflexed and the knee is then extended. Inability to extend the…

Under the Resource Conservation and Recovery Act of 1976, any solid, semisolid, or liquid waste generated from a municipal, commercial, or industrial wastewater treatment plant or air pollution control facility.  

A condition resulting from ingestion of plants such as snakeroot (Eupatorium urticaefolium) or jimmy-weed (Haplopappus heterophyllus). It is common in domestic animals and may occur in humans as a result of ingesting the plants or, more commonly, from drinking milk or eating the meat of poisoned animals. Symptoms are weakness, anorexia, nausea and vomiting, prostration,…

Old name given to leukotrienes C4, D4, and E4, arachidonic acid metabolites that contribute to the pathophysiology of asthma, causing prolonged bronchoconstriction, increased vascular permeability, increased bronchial mucous secretion, and vasoconstriction.  

In neurology, a decrease in the frequency or rate of brain waves as seen on an electroencephalogram. It may result from brain injury, drugs that alter consciousness, drowsiness, seizures, or sleep.