Term: somite A band
Note: This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name.
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: A band
Synonyms: A disc, anisotropic disc, Q disc, transverse disc
Definition: The dark-staining region of a sarcomere, in which myosin thick filaments are present; the center is traversed by the paler H zone, which in turn contains the M line.
Ontology: GO: Cellular Component [GO:0031672]    QuickGO    AmiGO