Abdominal Pumping
- Pronunciation
- /ab-dom-in-al pom-ping/
- Category
- Physiology
Definition
The contraction and relaxation of abdominal muscles in insects to force air through spiracles, promoting ventilation.
Etymology
From the Latin words 'abdomen' (meaning 'belly') and 'pumping'.
Example
Many large insects, like locusts, rely on abdominal pumping to breathe effectively.
Related Terms
- Ventilation
- Spiracles
- Muscles
Usage Notes
Abdominal pumping is an active ventilation mechanism, distinct from passive diffusion.