Term: midbrain hindbrain boundary mesenchymal cell
Name: midbrain hindbrain boundary
Synonyms: isthmus, mhb, midbrain-hindbrain boundary
Definition: The boundary between the mesencephalon and the rhombencephalon.
Ontology: Anatomy Ontology [ZFA:0000042]

Name: mesenchymal cell
Synonyms: mesenchymal cells
Definition: A cell that normally gives rise to other cells that are organized as three-dimensional masses, rather than sheets.
Ontology: Anatomy Ontology [ZFA:0009081]