What does expiratory mean?
The term expiratory refers to anything related to or characterized by expiration, particularly in the context of breathing. In physiology, it describes the phase of respiration where air is expelled from the lungs. This process is crucial for eliminating carbon dioxide, a waste product of metabolism. The expiratory phase can be either passive, occurring naturally as the lungs deflate, or active, involving the contraction of expiratory muscles to force air out more rapidly. Understanding expiratory processes is essential in fields such as respiratory medicine, exercise physiology, and anesthesiology. The term is often used in conjunction with inspiratory, which refers to the intake of air into the lungs.
adjectiveRelating to or characterized by expiration, especially the act of breathing out.
- Relating to expiration or breathing out
- Characterized by or involving expiration
"The expiratory phase of breathing is crucial for removing carbon dioxide from the body."
"The expiratory muscles help facilitate forced breathing."
"Expiratory pauses are an important aspect of respiratory physiology."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of expiratory
The word expiratory originates from the Latin words 'ex', meaning out of or away from, and 'spirare', meaning to breathe. The term has evolved through Middle English and is closely related to 'expire', which means to breathe out or die. Expiratory is used in various medical and scientific contexts to describe processes related to breathing out.
Usage notes
Often used in medical and scientific contexts to describe respiratory processes.