arteriovenous; arteriolovenous; arteriolovenular
intravenous; intravascular
varix; varicosity; varicose vein
venous sinus; sinus venosus
venous thromboembolism; VTE
venous ulcers; stasis ulcers; varicose ulcers; ulcus cruris
venipuncture; venepuncture
intravenous anaesthetic; intravenous anesthetic