extrabranchial

== English == === Etymology === From extra- +‎ branchial. === Adjective === extrabranchial (not comparable) (anatomy) Outside of the branchial arches. === Noun === extrabranchial (plural extrabranchials) Cartilage outside of the branchial arches. === References === “extrabranchial”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.