Definition of "tracheal" [tra•che•al]

• Of or pertaining to the trachea. (adjective)

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• "Fetal lung growth after short-term tracheal occlusion is linearly related to intratracheal pressure."
• "The outer layer, or epidermis, appears in green; the blue branches along the top are part of a network of air-carrying tubes called the tracheal system; and the posterior intestine, or hindgut, is seen as two distinct curved green lines."
• "People were quite frightened, because he was having what was described as a tracheal problem."