Definition, Meaning & Synonyms

antrum

noun
/ˈæn.trəm/
Definition
An antrum is a natural cavity or chamber within a biological structure.
Examples
  • The gastric antrum is part of the stomach that plays a role in digestion.
  • In anthropology, the term antrum can refer to a cavity within a rock formation that holds archaeological significance.
  • The antrum of a tooth is the area surrounding the root that houses the nerve and blood vessels.
Meaning
In anatomy, it often refers to a sinus or chamber, particularly in the context of the stomach or bones.
Synonyms
  • cavity
  • chamber
  • sinus