Category: P

A condition in which the skin becomes sensitized to a substance (certain antiseptics used in soaps may be a trigger) but only those parts of the skin subsequently exposed to light react by developing dermatitis. Sensitivity of the skin to light; may be due to photoallergy or to phototoxic reaction.  

An enzyme that catalyzes the conversion of fructose-6-phosphate to fructose- 1,6-diphosphate. This is an important reaction occurring during the process of glycolysis. A glycolytic enzyme that catalyzes phosphorylation of fructose-6-phosphate by adenosine triphosphate. A key enzyme that functions as a bottleneck in the metabolic pathway of glycolysis. This enzyme plays a crucial role in regulating…

A cephalinlike phospholipid containing the amino acid serine. It is found in brain tissue.  

The presence of phosphates in the blood. Sodium, calcium, potassium, and magnesium phosphates are normal constituents.  

A poisonous gas developed during World War I. It is a choking agent, acting on the lungs to produce edema, with consequent respiratory and cardiac failure. A poisonous gas that causes nausea and suffocation when inhaled; used in chemical warfare.  

A genus of nonbloodsucking flies, commonly known as blowflies. The maggot of P. regina normally breeds in decaying meat but it has occasionally been found in suppurating wounds, giving rise to a type of myiasis. A genus of blowflies to the family Calliphoridae. Their larvae normally live in decaying flesh of dead animals, belonging but they…

Weakness of the voice, especially when due to fatigue. Vocal weakness or hoarseness caused by straining the voice.  

A unit of loudness of sound. The intensity of a sound to be measured is compared by the human ear to a reference tone of 2 X 10⁻⁵ pascal sound pressure and 1000 hertz frequency. The intensity of the reference tone is increased until it appears to be equal in loudness to the sound being…

A drug that suppresses coughs and reduces irritation in the respiratory system. It is administered by mouth in cough mixtures and sometimes causes nausea and drowsiness. An opioid cough suppressant similar to codeine; it is not, however, potent enough to suppress severe coughs and is also constipating.  

An enalgesic drug that reduces fever and inflammation and is used to relieve pain in rheumatic and related diseases. It is administered by mouth or injection; common side-effects include digestive upsets, rashes, and fluid retention. A nonsteroidal anti-inflammatory drug (NSAID) administered to alleviate symptoms associated with the inflammatory disorder ankylosing spondylitis. Phenylbutazone could lead to…