Term: cleithrum basal region
Name: cleithrum
Synonyms: cleithra
Definition: Transversely oriented bone connecting the occipital region of the skull dorsally and pectoral girdle ventrally; appears near the end of embryogenesis.
Ontology: Anatomy Ontology [ZFA:0000184]

Name: basal region
Synonyms:
Definition: Anatomical region located basally on the body or body part.
Ontology: Spatial Ontology [BSPO:0000074]