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首页> 外文期刊>The anatomical record: advances in integrative anatomy and evolutionary biology >The Cephalic Osteoderms of Varanus komodoensis Varanus komodoensis as Revealed by High‐Resolution X‐Ray Computed Tomography
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The Cephalic Osteoderms of Varanus komodoensis Varanus komodoensis as Revealed by High‐Resolution X‐Ray Computed Tomography

机译：Varanus Komodoensis Varanus Komodoensis的头部骨质胚乳如高分辨率X射线计算断层扫描所透露

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ABSTRACT Osteoderms constitute a morphological system that plays an important role in squamate systematics. However, their study and visualization have always been difficult due to their isolated occurrence in the skin, among the first organs to be removed during the skeletonization process. High‐resolution X‐ray computed tomography (HRXCT) offers a nondestructive means of visualizing osteoderms both in their natural relationship to each other and to the underlying cranial bones. Although it is often stated that Varanus komodoensis has a “chain mail” of osteoderms, this morphological system was never described in this taxon. Further, given its size, it might be expected that V . komodoensis would present the extreme of osteoderm development in extant varanids, a group that tends to have weakly developed osteoderms or none at all. Indeed, our HRXCT scan of a 19‐year‐old captive individual reveals an elaborate mesh of cephalic osteoderms that are incredibly numerous and morphologically diverse. We describe this skeletal system and compare it to the cephalic osteoderms in other varanoids. Anat Rec, 302:1675–1680, 2019. ? 2019 American Association for Anatomy
机译：摘要骨质菌构成了一种在鳞状系统中发挥着重要作用的形态学体系。然而，他们的研究和可视化始终是由于皮肤中的分离发生而难以困难，在骨架化过程中要除去的第一器官中。高分辨率X射线计算机断层扫描（HRXCT）提供一种无损手段，可在其自然关系中和底层颅骨中可视化骨质胚层。虽然通常表示，Varanus Komodoensis具有骨质胚层的“链邮件”，但这种形态系统从未在这个分类中描述。此外，鉴于其尺寸，可以预期v。 Komodoensis将在现存的疣状中呈现出骨囊肿的极端，这是一种往往有弱发达的骨质胚胎或根本没有的群体。实际上，我们的19岁的俘虏个人的HRXCT扫描揭示了令人难以置信的令人难以置信的巨大和形态学的细胞骨折的精心态网。我们描述了这种骨骼系统，并将其与其他瓦曲线中的头部骨质体进行了比较。 ANAT REC，302：1675-1680,2019。？ 2019年美国解剖学协会

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