Term: segmental plate mesodermal cell
Name: segmental plate
Synonyms: presomitic mesoderm, PSM
Definition: Unsegmented field of paraxial mesoderm present posterior to the most recently formed somite pair, from which somites will form.
Ontology: Anatomy Ontology [ZFA:0000279]

Name: mesodermal cell
Synonyms: mesoblast, mesoderm cell
Definition: A cell of the middle germ layer of the embryo.
Ontology: Anatomy Ontology [ZFA:0009138]