branchial_cleft
1. [ noun ] (zoology) one of a series of slit openings in the pharynxes of fishes and aquatic amphibians through which water passes
Synonyms: gill_cleft gill_slit
Related terms: structure
Similar spelling:   bronchial_tube
  branchial_arch
  bronchial_asthma
  bronchial_artery
  bronchial_vein
  Branchiopoda
  branchiopodan