Branchial Cleft Remnant

**Semantic type:** Congenital Abnormality

**Definition:** A congenital defect in the neck that occurs during early embryonic development. It is caused by developmental abnormalities of the pharyngeal arches and results in the development of a cyst or a fissure in the side of the neck.

**Synonyms:** - Branchial Cleft - Branchial cleft