| 单词 | visceral arch |
| 释义 | visceral arch [`vis·ǝ·rǝl `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. |
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