noun
- Plural of antrum; cavities or chambers within the body, especially in bones or organs.
Usage: medical/anatomical term; commonly used in medical contexts
Examples
- The maxillary antra are air-filled spaces in the cheekbones.
- Inflammation of the antra can cause sinus problems.
- The surgeon examined the antra during the endoscopic procedure.
- Antra in the mastoid bone may become infected.
- CT scans revealed abnormalities in the frontal antra.