The human nose contains a postage stamp-size smelling organ, called the olfactory epithelium, at the roof of the nasal cavity.
人类鼻腔的屋顶，有一块面积如邮票大小被称之为“嗅上皮”的嗅觉器官。
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Objective:To Provide morphological data of olfactory nerves, bulb and tract of Chinese to protect olfactory function in the operation of nasal cavity roof and anterior cranial fossae.