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n. pl. tra·che·ae (-kē-ē′) or tra·che·as
1. Anatomy A thin-walled, cartilaginous tube descending from the larynx to the bronchi and carrying air to the lungs. Also called windpipe.
2. Zoology One of the internal respiratory tubes of insects and some other terrestrial arthropods, which are connected to the spiracles and are used for gas exchange.
3. Botany A tracheary element.

[Middle English trache, from Medieval Latin trāchēa, from Late Latin trāchīa, from Greek (artēriā) trākheia, rough (artery), trachea (as opposed to the smooth vessels that carry blood and not air), feminine of trākhus, rough.]

tra′che·al adj.


(ˈtreɪ ki əl)

1. pertaining to or connected with the trachea or tracheae.
2. of the nature of or composed of tracheae or vessels in plants.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.tracheal - relating to or resembling or functioning like a tracheatracheal - relating to or resembling or functioning like a trachea


[trəˈkɪəl] adjtracheale


a. traqueal, rel. a la tráquea;
___ stenosisestenosis ___.
References in periodicals archive ?
Inclusion criteria were as follows: (1) patients with oral, upper airway and tracheal tumors or neoplasms; (2) patients with tracheal compression by cervical neoplasms or masses; (3) patients with tracheal deviation or stenosis caused by neck trauma, burns, surgical procedures, and radiotherapy; (4) patients with body mass index (BMI) ≥30, Mallampati score III-IV and thyromental distance <6.
This case presented to us with respiratory distress due to tracheal compression by the ectopic thyroid mass.
Goiter was huge, causing tracheal compression, narrowing and deviation to the left.
Patients who are older and those who have large goiters and tracheal compression experience higher rates of postoperative airway complications.
Aortopexy can be performed to relieve the extrinsic tracheal compression but will not address the other issues caused by the mediastinal shift [10, 11].
This is accompanied by a leftward displacement of the heart, resulting in cardiac murmurs (1), chest pain and tracheal compression (2).
Although most goiters are benign and asymptomatic, large goiters can cause dysphagia or difficulties in breathing due to local oesophageal or tracheal compression that requires thyroid surgery.
To reduce the tracheal compression, the patient was kept in a head-up position and intravenous fluids were restricted.
CT scan of the neck and chest revealed diffuse homogenous enlargement of both thyroid lobes with the gland extending into the mediastinum and causing tracheal compression (Figures 1-3).
Chest X-ray (CXR), Computed Tomography (CT) neck and upper chest were done to all patients and showed variable degrees of tracheal compression.
Surgery is the method of choice in patients with obstructive symptoms, given the risk of progressive tracheal compression.