telangiectasis


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tel·an·gi·ec·ta·sia

 (tĕl-ăn′jē-ĕk-tā′zhə) also tel·an·gi·ec·ta·sis (-ĕk′tə-sĭs)
n.
Chronic dilation of groups of capillaries causing elevated dark red blotches on the skin.

[New Latin : tel(o)- + Greek angeion, vessel; see angio- + Greek ektasis, expansion (from ekteinein, to stretch out : ek-, ex, ex- + teinein, to stretch; see ten- in Indo-European roots).]

tel·an′gi·ec·tat′ic (-tăt′ĭk) adj.

telangiectasis

(tɪˌlændʒɪˈɛktəsɪs) or

telangiectasia

n, pl -ses (-ˌsiːz) or -sias
(Pathology) pathol an abnormal dilation of the capillaries or terminal arteries producing blotched red spots, esp on the face or thighs
[C19: New Latin, from Greek telos end + angeion vessel + ektasis dilation]
telangiectatic adj

tel•an•gi•ec•ta•sis

(tɛlˌæn dʒiˈɛk tə sɪs)

n., pl. -ses (-ˌsiz)
chronic dilatation of the capillaries and other small blood vessels.
[1825–35; tel-2 + angi(o)- + Greek éktasis extension = ekta-, variant s. of ekteínein to stretch out (ek- ec- + teínein to stretch) + -sis -sis]
tel•an`gi•ec•tat′ic (-ˈtæt ɪk) adj.

telangiectasis

a chronic condition of dilatation of the capillaries and other blood vessels, as seen in the reddish faces of heavy drinkers and people whose faces are continually exposed to cold climates. — telangiectic, adj.
See also: Complexion
References in periodicals archive ?
5 cm, respectively), with irregularly ill-defined bounder and telangiectasis [Figure 1]a.
Idiopathic macular telangiectasia type 2 (idiopathic juxtafoveolar retinal telangiectasis type 2A, Mac Tel 2).
Se han encontrado otras malformaciones asociadas a los angiomas cavernosos, como son las telangiectasis, anomalias del drenaje venos y MAVs trombosadas, pero no se reporto en la literatura hasta el momento ningun caso de cavernomatosis multiple asociada con aneurismas cerebrales, por lo cual presentamos el caso de una paciente de 2 anos de edad con tal entidad que fue evaluada y tratada en nuestro equipo.
Additionally, severe congestion of lamellar blood vessels in concert with telangiectasis and edema were common in the secondary gill lamellae.
Blood vessels tend to show intimal proliferation, nucleomegaly, thrombosis, and telangiectasis.
Stage Histopathologic alterations in the gills I Hypertrophy and hyperplasia of gill epithelium Sanguineous congestion Dilation of marginal vascular channels Lifting of respiratory epithelium Fusion and disorganisation of secondary gill lamellae Shortening of secondary lamellae Leukocyte infiltration of gill epithelium Aggregation of cells of the primary lamella II Haemorrhage and rupture of lamellar epithelium Hypertrophy and hyperplasia of mucous cells Empty mucous cells or their disappearance Hypertrophy and hyperplasia of chloride cells III Lamellar aneurism Necrosis and cell degeneration Lamellar telangiectasis Table 2.
Vascular hamartomas are classified as capillary telangiectasis, cavernous angiomas, and arteriovenous or venous malformations.
Telangiectatic portal lesions and honey combed meshwork of sinusoids are present in hereditary hemorrhagic telangiectasis.
8] However, steroid treatment carries the risk of adverse effects, including subcutaneous atrophy, telangiectasis, pigment changes and systemic side effects.
Louis showed that daily doses of chloroquine or hydroxychloroquine reduced insulin resistance and improved lipid metabolism, most likely via activation of the ataxia telangiectasis mutated (ATM) gene (Cell Metab.
Telangiectasis noted on secondary lamellae may be due to the dilation of small blood vessels by Cr(VI) toxicity.