Drugs Information Online
Drugs and diseases reference index
 |
EN |
Antrum: A general term for cavity or chamber which may have specific meaning in reference certain organs or sites in the body. The antrum of the stomach (gastric antrum) is a portion before the outlet which is lined by mucosa which does not produce acid. The paranasal sinuses can be referred to as the frontal antrum, ethmoid antrum, and maxillary antrum.
antrum /an·trum/ (an´trum) pl. an´tra, antrums [L.] a cavity or chamber.an´tral. cardiac antrum the short conical portion of the esophagus below the diaphragm ...
Library > Literature & Language > Dictionary ( ăn ' trəm ) n. , pl. , -tra ( -trə ). A cavity or chamber, especially one in a bone. Either of the sinuses in the ...
Antrum: A general term for cavity or chamber which may have specific meaning in reference certain organs or sites in the body. The antrum of the stomach (gastric antrum ...
noun, plural -tra . Anatomy . a cavity in a body organ, especially a bone. Origin: 1720–30; < Latin < Greek ántron cave Related forms an·tral, adjective :10 :09 ...
noun. Anat. a cavity, esp. one within a bone, as either of a pair of sinuses in the upper jaw