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That similarity allowed the researchers to use the tiny stomachs as test subjects for human disease by injecting them with Helicobacter pylori, a bacterium that targets the antrum and can cause ulcers and stomach cancer.

Unfortunately, Wells and his team of researchers were only able to grow part of the human stomach: the lower end, which goes by the name of "antrum" and connects to the intestine.

Sometimes the pain is referred also to the region of the antrum of Highmore and to the Eustachian tube and the middle ear.

I found the tumor occupying the whole of the antrum.

The antrum may be entirely wanting, as in Fig.