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单词 Upper mandible
释义

Upper mandible

原声例句
动物逻辑学

The upper mandible has a tooth-like  protrusion that helps them grab prey.

上颌骨有一个牙齿状的突起,可以帮助它们抓住猎物。

物种起源

In this latter bird the lamellae of the upper mandible are much coarser than in the common duck, almost confluent, about twenty-seven in number on each side, and terminating upward in teeth-like knobs.

后一种鸟的上颌骨薄片比普通鸭粗糙得多,几乎汇合在一起, 每侧约有 27 个, 向上终止于牙齿状的突起。

中文百科

上颌骨 Maxilla

(重定向自Upper mandible)

上颌骨英语:maxilla),又称车颔骨,是成对的联合形成口上部的骨。除了下颌骨外,脸部的所有骨都与它形成关节。上颌骨可以分为体部、齿槽突、腭突、额突和颧突。

英语百科

Maxilla 上颌骨

(重定向自Upper mandible)
Interior surface of maxilla
Figure 5: Anterior surface of maxilla at birth.

The maxilla (plural: maxillae /mækˈsɪl/) is the upper jawbone formed from the fusion of two maxillary bones. The upper jaw includes the palate of the mouth. The two maxillary bones are fused at the inter maxillary suture. This is similar to the mandible (lower jaw), which is also a fusion of two mandibular bones at the mandibular symphysis.

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更新时间:2025/6/19 6:02:59