A surgical procedure that creates an artificial opening in a blood vessel, often to improve circulation or facilitate medical treatment.
From Greek 'angion' (vessel) + 'stoma' (mouth) + '-tomy' (surgical incision). This medical term developed in early vascular surgery to describe vessel-opening procedures.
An angiostomy is like creating a bypass for blood—surgeons literally make a new 'mouth' opening in vessels to reroute blood flow around dangerous blockages!
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