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Trachearia :: Trachearia (n.pl.) A division of Arachnida including those that breathe only by means of tracheae. It includes the mites, ticks, false scorpions, and harvestmen..

Prototracheata :: Prototracheata (n. pl.) Same as Malacopoda.

Tracheitis :: Tracheitis (n.) Inflammation of the trachea, or windpipe..

Tracheophonae :: Tracheophonae (n. pl.) A group of passerine birds having the syrinx at the lower end of the trachea.

Trachea :: Trachea (n.) One of the respiratory tubes of insects and arachnids.

Stigma :: Stigma (v. t.) One of the external openings of the tracheae of insects, myriapods, and other arthropods; a spiracle..

Windpipe :: Windpipe (n.) The passage for the breath from the larynx to the lungs; the trachea; the weasand. See Illust. under Lung.

Bronchia :: Bronchia (n. pl.) The bronchial tubes which arise from the branching of the trachea, esp. the subdivision of the bronchi..

Malacopoda :: Malacopoda (n. pl.) A class of air-breathing Arthropoda; -- called also Protracheata, and Onychophora..

Tracheata :: Tracheata (n.pl.) An extensive division of arthropods comprising all those which breathe by tracheae, as distinguished from Crustacea, which breathe by means of branchiae..

Pauropoda :: Pauropoda (n. pl.) An order of small myriapods having only nine pairs of legs and destitute of tracheae.

Tracheary :: Tracheary (n.) One of the Trachearia.

Trachea :: Trachea (n.) The windpipe. See Illust. of Lung.

Laryngotracheotomy :: Laryngotracheotomy (n.) The operation of cutting into the larynx and the upper part of the trachea, -- a frequent operation for obstruction to breathing..

Phalangoidea :: Phalangoidea (n. pl.) A division of Arachnoidea, including the daddy longlegs or harvestman (Phalangium) and many similar kinds. They have long, slender, many-jointed legs; usually a rounded, segmented abdomen; and chelate jaws. They breathe by tracheae. Called also Phalangides, Phalangidea, Phalangiida, and Opilionea..

Tracheary :: Tracheary (a.) Tracheal; breathing by means of tracheae.

Spiracle :: Spiracle (n.) One of the external openings communicating with the air tubes or tracheae of insects, myriapods, and arachnids. They are variable in number, and are usually situated on the sides of the thorax and abdomen, a pair to a segment. These openings are usually elliptical, and capable of being closed. See Illust. under Coleoptera..

Throttle :: Throttle (n.) The windpipe, or trachea; the weasand..

Tracheate :: Tracheate (a.) Breathing by means of tracheae; of or pertaining to the Tracheata.

Peritracheal :: Peritracheal (a.) Surrounding the tracheae.

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