OntologieszfaclassesZFA:0001231   
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pharyngeal arch 4 skeleton
http://purl.obolibrary.org/obo/ZFA_0001231

Anatomical cluster made up of skeletal and cartilaginous elements of the fourth pharyngeal arch, also called second gill or branchial arch.

Also appears inzp
Exact Synonyms
branchial arch 2 skeleton
gill arch 2 skeleton
visceral arch 4 skeleton