respiratory tract

noun

plural respiratory tracts

: the respiratory system especially with regard to its form as a continuous passage for moving air into and out of the lungs see lower respiratory tract, upper respiratory tract

Examples of respiratory tract in a Sentence

Recent Examples on the Web

The team grew real human nasal cells into organoids that then could grow little hairs known as cilia and produce mucus, just like the inside lining of your nose and respiratory tract. —Bruce Y. Lee, Forbes.com, 24 Jan. 2026

Measles first infects the respiratory tract, then spreads throughout the body, causing a high fever, runny nose, cough, red, watery eyes, and a rash. —Dan Raby, CBS News, 12 Jan. 2026

The infection develops when usually harmless bacteria travel through the respiratory tract and infiltrate the membranes surrounding the brain and spinal cord, causing severe inflammation. —Kaitlin Sullivan, NBC news, 11 Jan. 2026

Strong Fragrances Scented products, including candles, oil diffusers, and air fresheners, can irritate a pet’s skin and respiratory tract. —Abby Wolner, Better Homes & Gardens, 2 Jan. 2026

Word History

First Known Use

1842, in the meaning defined above

Rhymes for respiratory tract

• abstract
• attacked
• attract
• contact
• contract
• detract
• distract
• enact
• exact
• extract
• hijacked
• impact

Medical Definition

respiratory tract

noun

: a system of organs functioning in respiration and in humans consisting especially of the nose, nasal passages, pharynx, larynx, trachea, bronchi, and lungs : respiratory system see lower respiratory tract, upper respiratory tract