This document provides information about medical terminology related to the respiratory system. It defines key parts of the respiratory system including the nose, pharynx, larynx, trachea, bronchi, and lungs. It also lists common prefixes and suffixes used in respiratory medical terms, such as -itis meaning inflammation. Examples are given of terms formed by combining prefixes, suffixes, and root words, including rhinitis, pharyngitis, laryngitis, and pneumonitis.

1. Medical Terminology
Respiratory System

2. Objective
 Given the suffix, prefix, and combining term the learners will define medical
terms that relate to the respiratory system

3. Respiratory System

4. Respiratory System
 nose: lined with mucous membrane and fine hairs; acts as a filter to moisten
and warm the entering air
 pharynx (throat): serves as a food and air passageway
larynx (voice box): location of the vocal cords
 trachea: passageway for air to the bronchi
 bronchus: one of two branches from the trachea, which conducts air into the
lungs, where it divides and subdivides (referred to as a bronchial tree)
 lungs: two sponge-like organs in the thoracic cavity (right lung has three
lobes; left lung has two lobes

5. Respiratory prefixes, and combining
terms
 Nose- nas/o, rhin/o
 Pharynx- pharyng/o.
 Larynx- laryng/o
 Trachea- trache/o
 Bronchi- Bronch/o
 Lungs- pneum/o

6. Respiratory System Suffixes and medical
terminology
 -itis- inflammation of
 -stenosis- narrowing
 -algia- pain
Terms of Respiratory System built from word parts
 Rhinitis- inflammation of the nose
 Pharyngitis- inflammation of the pharynx
 Laryngitis- inflammation of the larynx
 Tracheostenosis- narrowing of the trachea
 Bronchitis- inflammation of the bronchi

7. Review Question
 Which term means inflammation of the lung?
1. Phlebitis
2. Pneumonitis
3. Bronchitis
4. Rhinitis