What is pertaining to the segment between the ceratobranchial and pharyngobranchial in a branchial arch. -- n. An epibranchial cartilage or bone called?

epibranchial — Pertaining to the segment between the ceratobranchial and pharyngobranchial in a branchial arch. -- n. An epibranchial cartilage or bone. (Webster's 1913.)

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