air sac Definition

alveolus, air cell, prebronchial, respiratory organ, pneumogastric, trachenchyma, physostomous, entobronchium, respiratory system, mesobronchium, lacrimal duct, lachrymal duct, hepatic duct, animal tissue, mesorchium, air bladder, tracheary, lung, capillary bed, endostyle, pneumatocyst, chorioallantois, splenization, enterocoele, utriculus, celoma, cysticule, pneumatocele, aerocyst, tracheole, lacrimal apparatus, pleurobranch, nephridium, entogastric, malpighian corpuscle, lacrimal sac, pulmocutaneous, trachea, mesogaster, lagena, book lung, meninx, salpinx, trichophore, serous membrane, pleuroperitoneum, tracheocele, physoclist, bronchial tube, pessulus, pleuroperitoneal, ovisac, renal corpuscle, enchyma, bladdery, subpulmonary, pyothorax, ejaculatory duct, gastrocele, arteriac, weasand, nephrostome, turbinal, parietal pleura, pancreatic juice, pleurenchyma, vascular system, bothrenchyma, siphonet, eparterial, cartilaginous structure, cor pulmonale, angienchyma, synangium, malpighian body, statocyst, epibranchial, sacculated, scirrhus, cytogenous, pharyngobranchial, septomaxillary, alinasal, pleuron, chlorenchyma, thyrohyoid, merenchyma, typhlosole, lienal artery, speech organ, epipharyngeal, pneumatothorax, hyparterial, internasal, laryngotracheotomy, atrial auricle, bronchotomy, siphonium, cynanche, papula,