arteriovenous malformation

initialism: AVM
https://doi.org/10.1351/goldbook.11611
Web of blood vessels with one or more abnormal communications between arteries and veins that bypass the capillary system.
Note: They may cause hemorrhage, seizures, headaches, paralysis or loss of speech, memory or vision.
Source:
PAC, 2015, 87, 841. (IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)) on page 849 [Terms] [Paper]