Phenotype: horizontal myoseptum absent, abnormal
Note: This statement combines anatomy and/or ontology terms with phenotype quality terms to create a complete phenotype (EQ) statement. For detailed information on individual terms, click the hyperlinked term name.
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: absent
Synonyms: absence, absent from organism
Definition: A quality denoting the lack of an entity.
Ontology: Phenotypic Quality Ontology [PATO:0000462]