different between porphyria vs porphyrin

English

Etymology

From porphyrin, from German Porphyrin.

Pronunciation

• IPA^(key): /p??(?)?f????/
• Rhymes: -??i?

Noun

porphyria (plural porphyrias)

1. (pathology) Any of several usually hereditary abnormalities of porphyrin metabolism characterized by excretion of excess porphyrins in the urine.
   • 2000, Herbert L. Bonkovsky, Richard W. Lambrecht, 44: Hemochromatosis, iron overload, and porphyria cutanea tarda, James C. Barton, Corwin Q. Edwards (editors), Hemochromatosis: Genetics, Pathophysiology, Diagnosis and Treatment, page 453,

     The term porphyria, derived from the Greek word porphyra, meaning purple, is apt because a hallmark of most of the porphyrias is the overexcretion of porphyrins in urine or feces.

   • 2003, M. Lecha, C. Herrero, D. Ozalla, Porphyrias, Andreas D. Katsambas, Torello M. Lotti (editors), European Handbook of Dermatological Treatments, page 419,

     However, the appearance of homozygous forms without consanguinity and coincidence of two types of porphyria in the same patient, dual porphyrias, is possible.

   • 2010, James C. Barton, Corwin Q. Edwards, Pradyumna D. Phatak, Robert S. Britton, Bruce R. Bacon, Handbook of Iron Overload Disorders, page 160,

     The usual presenting symptoms and signs of porphyrias are either skin photosensitivity or neurovisceral symptoms and signs.

Derived terms

• hematoporphyria
• porphyric

Related terms

• protoporphyria

Translations

English

Etymology

From German Porphyrin, shortened from Hämatoporphyrin (“haematoporphyrin”).

Pronunciation

• (UK) IPA^(key): /?p??f???n/
• (General American) IPA^(key): /?p??f???n/

Noun

porphyrin (plural porphyrins)

1. (organic chemistry) Any of a class of heterocyclic compounds containing pyrrole rings arranged in a square or other similar shape; they are important in biochemistry in a form with a metal atom in the central cavity (hemoglobin with iron, chlorophyll with magnesium, etc.).

Derived terms

Related terms

• porphyria
• porphyric

Translations

See also

• corrin