During yawning, the walls of the maxillary sinuses (located in the cheeks on each side of the nose) flex like bellows and help with brain cooling, according to the researchers.
这两位研究人员表示，在打哈欠时，上颌窦的壁部(位于鼻子两边的脸颊上)像风箱一样弯曲，帮助大脑降温。
If it affects the paranasal sinuses, it most commonly involves the ethmoidal and maxillary sinuses.
如果累及副鼻窦，最常见的是累及筛窦及上颌窦。
Objective To probe role of ct in suggesting benign or malignant lesions of the maxillary sinuses by detecting bone changes.
目的探讨CT提示的各种骨质改变对上颌窦良恶性病变的鉴别诊断价值。
Objective To explore the pathology, clinical manifestation and the treatment of malignant fibrous histiocytoma (MFH) initially located in maxillary sinuses.
目的探讨原发于上颌窦的恶性纤维组织细胞瘤（MFH）的病理、临床表现及治疗措施。
Objective To explore the pathology, clinical manifestation and the treatment of malignant fibrous histiocytoma (MFH) initially located in maxillary sinuses.
目的探讨原发于上颌窦的恶性纤维组织细胞瘤（MFH）的病理、临床表现及治疗措施。
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