Term: horizontal myoseptum fibroblast
Name: horizontal myoseptum
Synonyms: horizontal septum
Definition: A connective tissue partition developing at the apex of the chevron-shaped myotome and separating dorsal (epaxial) and ventral (hypaxial) body wall muscle masses.
Ontology: Anatomy Ontology [ZFA:0000671]

Name: fibroblast
Synonyms: fibroblasts
Definition: A connective tissue cell which secretes an extracellular matrix rich in collagen and other macromolecules.
Ontology: Anatomy Ontology [ZFA:0009026]