Style of viburnum is model of occlusion, composed of mastoid cell, parenchyma cells and transmitting tissue.
闭合型花柱由乳突细胞、薄壁细胞和引导组织组成；
There is no evidence of a destructive process involving the mastoid air cells on the provided images.
所示图像并无证据表明乳突气房破坏。
There is no evidence of a destructive process involving the mastoid air cells on the provided images.
所示图像并无证据表明乳突气房破坏。
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