Definition of telangiectasia in English:

telangiectasia

(also telangiectasis)

noun

Medicine
  • [mass noun] A condition characterized by dilatation of the capillaries causing them to appear as small red or purple clusters, often spidery in appearance, on the skin or the surface of an organ.

    • ‘Telangiectasia may be a feature of hereditary haemorrhagic telangiectasia or systemic sclerosis.’
    • ‘Tortuous dilation of the hepatic arteries and capillary telangiectasia of the hepatic surface in the operative field were remarkable.’
    • ‘A milder form of the same disease, termed Leber's miliary aneurysms, can present later in life as a localised cluster of dilated capillaries, aneurysms, and telangiectasia, typically in the temporal quadrants of the retina.’
    • ‘Patients should be advised to use potent topical steroids sparingly because excessive use may lead to atrophy of the skin and telangiectasis.’
    • ‘More than 70% of pulmonary arteriovenous malformations are associated with the genetic condition, hereditary hemorrhagic telangiectasia, also known as the Osler-Weber-Rendu syndrome.’

Origin

Mid 19th century: modern Latin, from Greek telos end + angeion vessel + ektasis dilatation.

Pronunciation:

telangiectasia

/tɛˌlandʒɪɛkˈteɪzɪə/