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visceral arch |
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visceral arch [′vis·ə·rəl ′ärch] (anatomy) One of the series of mesodermal ridges covered by epithelium bounding the lateral wall of the oral and pharyngeal regions of vertebrates; embryonic in higher forms, they contribute to formation of the face and neck. (vertebrate zoology) One of the first two arches of the series in gill-bearing forms. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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