angiogenesis
C1CEFR level
78/100Rarity: rare
TechnicalRegister
The formation of new blood vessels, which tumours co-opt to sustain their growth.
Bevacizumab inhibits angiogenesis by targeting vascular endothelial growth factor, starving the tumour of its blood supply.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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