upper respiratory tract
Definition
Noun: - The anatomical region comprising the nose, nasal cavity, sinuses, pharynx, and larynx: The upper respiratory tract is the first section of the respiratory system, responsible for warming, moistening, and filtering inhaled air before it reaches the lungs. It is also a common site for infections.
Usage
The term "upper respiratory tract" is used primarily in medical, biological, and general health contexts to describe the part of the respiratory system above the chest. - It is often modified by adjectives like "infected," "congested," or "healthy." - It is commonly used in the phrase "upper respiratory tract infection" (URTI).
Examples
Advanced Usage
- Clinical Context: The term is standard in diagnosing and describing illnesses (e.g., "upper respiratory tract symptoms").
- Comparative Anatomy: Used to differentiate from the "lower respiratory tract" (the trachea, bronchi, and lungs).
Variants and Related Words
- Upper Respiratory Tract Infection (URTI) (n): A common illness affecting the nose, sinuses, pharynx, or larynx, such as the common cold or sinusitis.
- Lower Respiratory Tract (n): The portion of the respiratory system that includes the trachea, bronchi, bronchioles, and lungs.
Synonyms
- Upper airways: A less formal term often used interchangeably, though it may sometimes exclude the larynx.
- Proximal respiratory system: A more technical synonym emphasizing its position as the initial segment.
Related Phrases
- Upper respiratory tract symptoms: Signs like a runny nose, sore throat, or cough that indicate an issue in this area.
- Upper respiratory tract disease: A broader term for any pathological condition affecting this region.
Noun
-
the nose and throat and trachea
