artery metencephalic artery These arteies branch dorsally from both sides of the posterior communicating artery looping up to join with the opposite MtA as well as with both middle cerebral veins at the dorsal midline of the head. Isogai et al. 2001. UBERON:2005084 This class was sourced from an external ontology (teleost_anatomy). Its definitions, naming conventions and relationships may need to be checked for compatibility with uberon ZFA:0005084