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Helicobacter

Pronunciation: hel'i-ko-bak'ter

Definition: A genus of helical, curved, or straight microaerophilic bacteria with rounded ends and multiple sheathed flagella (unipolar or bipolar and lateral) with terminal bulbs; form nonpigmented, translucent colonies, 1–2 mm in diameter; catalase and oxidase positive. Found in gastric mucosa of primates, including human beings and ferrets; some species are associated with gastric and peptic ulcers and predispose to gastric carcinoma. The type species is H. pylori.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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