antrum

• Естественная полость или пустое пространство внутри кости, часто относящееся к пазухе или камере в теле.

A natural cavity or hollow space within a bone, often referring to a sinus or chamber in the body.

1. Bone cavityC1formalmedical

   A natural cavity or hollow within a bone, often lined with mucous membrane.

   Полость в кости

   • The maxillary antrum is a common site for sinus infections.
   • The surgeon examined the antrum for any signs of disease.
   • An X-ray revealed a small cyst in the antrum of the bone.

   Synonymscavityhollowsinus