Term: somite medial-lateral axis
Name: somite
Synonyms: somitic mesoderm
Definition: Undifferentiated mesodermal components of early trunk or tail segments or metameres, derived from paraxial mesoderm; forms myotomes, sclerotomes and perhaps dermatomes.
Ontology: Anatomy Ontology [ZFA:0000155]

Name: medial-lateral axis
Synonyms: M-L axis, medio-lateral axis, mediolateral axis, ML axis, proximal-distal axis
Definition: An axis that extends from the center of organism to one or other side.
Ontology: Spatial Ontology [BSPO:0001001]