Term: midbrain blood vessel
Name: midbrain
Synonyms: mesencephalon
Definition: The brain region between the forebrain anteriorly and the hindbrain posteriorly, including the tectum dorsally and the midbrain tegmentum ventrally.
Ontology: Anatomy Ontology [ZFA:0000128]

Name: blood vessel
Synonyms:
Definition: Any of the tubular multi-tissue structures through which blood circulates in the body.
Ontology: Anatomy Ontology [ZFA:0005314]