porphyria

Any of a group of disorders in which there is excessive excretion of porphyrins or their precursors.

porphyria

[n] - a genetic abnormality of metabolism causing abdominal pains and mental confusion
Found on http://www.webdictionary.co.uk/definition.php?query=porphyria

porphyria

Disturbance of porphyrin metabolism characterized by increased formation, accumulation, and excretion of porphyrins and their precursors.
Found on http://sis.nlm.nih.gov/enviro/iupacglossary/glossaryp.html

Porphyria

a group of genetic disorders in which substances called porphyrins build up in the blood, often causing rashes brought on by exposure to sunlight and reactions to certain drugs
Found on http://www.medichecks.com/glossary.cfm?ltr=P

Porphyria

Porphyria: A diverse group of diseases in which the production of heme is disrupted. Porphyria is derived from the Greek word 'porphyra', which means purple. When heme production is faulty, porphyrins are overproduced and lend a reddish-purple color to urine. All forms of porphyrias are inherited. The key clinical features are skin sensitivity to s...
Found on http://www.medterms.com/script/main/art.asp?articlekey=10360

porphyria

A pathological state in man and some lower animals that is often due to genetic factors, is characterised by abnormalities of porphyrin metabolism and results in the excretion of large quantities of porphyrins in the urine and in extreme sensitivity to light. ... (18 Nov 1997) ...
Found on http://www.encyclo.co.uk/local/20973

porphyria

noun a genetic abnormality of metabolism causing abdominal pains and mental confusion
Found on https://www.encyclo.co.uk/local/20974

porphyria

(por-fēr´e-ә) a usually hereditary disorder characterized by a disturbance in porphyrin metabolism with resultant increase in the formation and excretion of porphyrins (uroporphyrin and coproporphyrin) or their precursors. Porphyrins in combination with iron form hemes, which in turn combine with specific proteins ...
Found on http://www.encyclo.co.uk/local/21001

porphyria

any of a group of diseases characterized by the marked overproduction and excretion of porphyrins or of one or another of their precursors. The ... [4 related articles]
Found on http://www.britannica.com/eb/a-z/p/95

porphyria

a pathological state in man and some lower animals that is often due to genetic factors, is characterized by abnormalities of porphyrin metabolism, and results in the excretion of large quantities of porphyrins in the urine and in extreme sensitivity to light.
Found on http://users.ugent.be/~rvdstich/eugloss/DIC/dictio69.html

porphyria

A metabolic disease due to disordered hemoglobin synthesis. Porphyria runs in families and may cause episodic abdominal pain, skin changes, neuritis, and mental changes. Certain drugs can precipitate acute attacks. Porphyria may have been the cause of the 'madness' of George III of England.
Found on http://www.daviddarling.info/encyclopedia/P/porphyria.html

Porphyria

Porphyria is a hereditary disease of body metabolism, producing abdominal pain and mental confusion.
Found on http://www.probertencyclopaedia.com/browse/EP.HTM

porphyria

Type: Term Pronunciation: pōr-fir′ē-ă Definitions: 1. A group of disorders involving heme biosynthesis, characterized by excessive excretion of porphyrins or their precursors; may be inherited or acquired, as from the effects of certain chemical agents (hexachlorobenzene).
Found on http://www.medilexicon.com/medicaldictionary.php?t=71236

porphyria

Group of rare genetic disorders caused by an enzyme defect. Porphyria affects the digestive tract, causing abdominal distress; the nervous system, causing psychotic disorder, epilepsy, and weakness; the circulatory system, causing high blood pressure; and the skin, causing extreme sensitivity to light. No specific treatments exist. In p...
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0018341.html

Porphyria

The porphyrias are a group of rare inherited or acquired disorders of certain enzymes that normally participate in the production of porphyrins and heme. They manifest with either neurological complications or skin problems or occasionally both. Porphyrias are classified in two ways, by symptoms and by pathophysiology. Symptomatically, acute porph...
Found on http://en.wikipedia.org/wiki/Porphyria
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