branchial duct
n.
The lumen of one of the embryonic pharyngeal pouches that has elongated and narrowed as a result of differentiation.
Words nearby branchial duct
branchia,
branchial,
branchial arch,
branchial cell,
branchial cleft,
branchial duct,
branchial groove,
branchial pouch,
branchiate,
branchiform,
branching