Term: head anterior side
Name: head
Synonyms:
Definition: Organism subdivision which is the part of the body which consists of the cranial and pharyngeal regions.
Ontology: Anatomy Ontology [ZFA:0001114]

Name: anterior side
Synonyms: anterior, rostral
Definition: An anatomical region that is the entire part of an anatomical structure anterior to a transverse plane and bounded on one side by the same transverse plane.
Ontology: Spatial Ontology [BSPO:0000055]