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单词 visceral arch
释义 visceral arch
noun
1. : one of a series of bony or cartilaginous inverted arches that develop in the walls of the mouth cavity and pharynx of a vertebrate embryo and consist typically of a curved segmented bar or rod on each side meeting its fellow of the opposite side at the ventral end either directly or with the intervention of a median piece — compare branchial arch, hyoid bone, mandibular arch
2. : one of the visceral arches together with the structures surrounding and supported by it
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更新时间:2025/3/12 21:05:24