noun
- Plural of antrum; cavities or chambers within the body, especially in bone or other anatomical structures.
Usage: medical/anatomical term; commonly refers to the maxillary antrum (a cavity in the cheekbone) or mastoid antrum (in the temporal bone)
Examples
- The dentist examined the patient's maxillary antrums to check for infection.
- Antrums in the skull serve important functions in reducing bone weight.
- The surgeon accessed the mastoid antrums during the procedure.
- X-rays revealed fluid accumulation in both antrums.
- Inflammation of the antrums can cause sinus pain and pressure.