To surgically create an opening or artificial mouth-like structure in a blood vessel or vascular tissue.
From Greek 'angion' (vessel) + 'stoma' (mouth) + '-ize' (to cause to become). This surgical term emerged in 20th-century medical practice to describe vessel opening procedures.
Angiostomize is medical slang for when surgeons deliberately create openings in blood vessels—sometimes creating a 'mouth' between two vessels to improve blood flow!
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