蝶竇(蝶竇)位於蝶骨體內。鼻竇的下壁參與鼻腔壁的形成。在側壁的上部是海綿竇。蝶竇通常由矢狀間隔分成兩個不對稱部分。有時隔膜不存在。蝶竇與上鼻道相通。
與鼻腔連通的氣道腔是網狀骨的前部,中部和後部細胞。
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蝶竇(蝶竇)位於蝶骨體內。鼻竇的下壁參與鼻腔壁的形成。在側壁的上部是海綿竇。蝶竇通常由矢狀間隔分成兩個不對稱部分。有時隔膜不存在。蝶竇與上鼻道相通。
與鼻腔連通的氣道腔是網狀骨的前部,中部和後部細胞。
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