Upper Respiratory System

**Semantic type:** Anatomical Structure

**Definition:** The sinuses and those parts of the respiratory system above the trachea. It includes the nares, nasopharynx, oropharynx, larynx, vocal cords, glottis and upper trachea.

**Synonyms:** - UPPER RESPIRATORY SYSTEM - Upper Airway - Upper Airway - Upper respiratory tract, NOS