Term: somite 1 somite border
Name: somite 1
Synonyms:
Definition: Anteriormost undifferentiated mesodermal component of early trunk segment or metamere, derived from paraxial mesoderm; forms the myotome, sclerotome and perhaps dermatome.
Ontology: Anatomy Ontology [ZFA:0000072]

Name: somite border
Synonyms: somite border cell, somite boundary
Definition: Anatomical surface separating somites.
Ontology: Anatomy Ontology [ZFA:0001462]