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Croup :: Croup (n.) An inflammatory affection of the larynx or trachea, accompanied by a hoarse, ringing cough and stridulous, difficult breathing; esp., such an affection when associated with the development of a false membrane in the air passages (also called membranous croup). See False croup, under False, and Diphtheria..

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

Vessel :: Vessel (n.) A continuous tube formed from superposed large cylindrical or prismatic cells (tracheae), which have lost their intervening partitions, and are usually marked with dots, pits, rings, or spirals by internal deposition of secondary membranes; a duct..

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

Artery :: Artery (n.) The trachea or windpipe.

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..

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

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

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

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

The Gapes :: The gapes () A disease of young poultry and other birds, attended with much gaping. It is caused by a parasitic nematode worm (Syngamus trachealis), in the windpipe, which obstructs the breathing. See Gapeworm..

Glottis :: Glottis (n.) The opening from the pharynx into the larynx or into the trachea. See Larynx.

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..

Taenidium :: Taenidium (n.) The chitinous fiber forming the spiral thread of the tracheae of insects. See Illust. of Trachea.

Laryngotracheal :: Laryngotracheal (a.) Pertaining to both larynx and trachea; as, the laryngotracheal cartilage in the frog..

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

Tracheobranchia :: Tracheobranchia (n.) One of the gill-like breathing organs of certain aquatic insect larvae. They contain tracheal tubes somewhat similar to those of other insects.

Trachenchyma :: Trachenchyma (n.) A vegetable tissue consisting of tracheae.

Tracheal :: Tracheal (a.) Of or pertaining to the trachea; like a trachea.

Tracheae :: Tracheae (pl. ) of Trache.

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