title: Structure of an air-breathing organ and the swim bladder in the Alaska blackfish, Dallia pectoralis Bean.
mesh_terms: D000400:Air Sacs / Q000033:anatomy & histology*; D000413:Alaska; D000818:Animals; D004947:Esophagus / Q000033:anatomy & histology; D005399:Fishes / Q000033:anatomy & histology*; D012137:Respiratory System / Q000033:anatomy & histology