spiracle Definition

metathoracic, prothoracic, peritreme, blowhole, lacrimal duct, nosethirl, auditory meatus, lachrymal duct, hemitropous, nostril, external auditory canal, orifice, tracheary, endostyle, pleuron, internasal, pseudoturbinal, suspiral, respiratory organ, parapleura, mouthpart, book lung, external ear, faucal, stomatous, epicoele, exhalation, pleurobranch, adoral, lacrimal apparatus, cercopod, prescutum, turbinal, alitrunk, air passage, baenomere, siphonet, neuropodium, stoma, propodium, foramen of monro, outer ear, nephrostome, outbreathe, postscutellum, respiratory system, metabranchial, eustachian tube, notopodium, siphonium, pharyngobranchial, endite, labionasal, actinostome, nasal cavity, megastome, vent, gnathite, breathe out, proleg, lamellate, breathe in, hemelytron, pseudostoma, branchiate, mesosternum, prebronchial, weasand, physostomous, needle valve, tracheole, entobronchium, pseudobranchia, thirl, exsufflation, trachea, prophragma, air out, pneumatothorax, cytopharynx, halitus, urite, lagena, tear duct, metasternum, acanthion, prothorax, endosternite, suspiration, scizorhinal, alveolus, spiritus asper, mesorchium, aerocyst, bude burner, spiritus lenis, salpinx, telotrochal, air bladder, prenasal,