antrum
an·trum / ˈantrəm/ • n. (pl. -tra / -trə/ ) Anat. a natural chamber or cavity in a bone or other anatomical structure. ∎ the part of the stomach just inside the pylorus.DERIVATIVES: an·tral / -trəl/ adj.
antrum
antrum (an-trŭm) n.
1. a cavity, especially a cavity in a bone. a. of Highmore the maxillary sinus (see paranasal sinuses). [ N. Highmore (1613–85), English physician] mastoid (or tympanic) a. the space connecting the air cells of the mastoid process with the chamber of the inner ear.
2. the part of the stomach adjoining the pylorus.
1. a cavity, especially a cavity in a bone. a. of Highmore the maxillary sinus (see paranasal sinuses). [ N. Highmore (1613–85), English physician] mastoid (or tympanic) a. the space connecting the air cells of the mastoid process with the chamber of the inner ear.
2. the part of the stomach adjoining the pylorus.
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