pernio

[pur-nee-oh]

noun

Pathology.

1. chilblain.

Word History and Origins

Origin of pernio¹

1670–80; < Latin perniō chilblain on the foot, derivative of pern ( a ) haunch of the leg; -ion

Example Sentences

Some people have observed the red or purple skin discoloration, known as pernio or chilblains, which can appear under the toe nails and has been called “covid toes.”

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This type of rash, called pernio or chilblains, usually occurs in the dead of winter because of exposure to cold, such as when a person is slogging in freezing rain in wet socks.

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Chilblains.—Chilblain or erythema pernio is a vascular disturbance resulting from the alternate action of cold and heat on the distal parts of the body.

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