External NoseРNasal root 鼻根РNasal back 鼻背РNasal apex 鼻尖РAlae nasi 鼻翼РNostrils 鼻孔РLateral nasal cartilage?鼻外侧软骨Р外鼻静脉特点Р主要经面静脉和内眦静脉回流到颈内静脉。内眦静脉经眼上、眼下静脉与颅内海绵窦相通,该区静脉无瓣膜Р内眦静脉面静脉颈内静脉Р 眼上/ 下静脉海绵窦РNasal cavity 鼻腔РNasal vestibule 鼻前庭?Nasal vestibule is the anterior and inferior part of nasal cavity. It is lined by skin and contains sebaceous glands, hair follicles and hair.?Nasal cavity proper 固有鼻腔РNasal cavity properРNasal septum. 鼻中隔Р鼻中隔软骨Р犁骨Р筛骨正中板Р上颌骨腭突РLittle’s area (plexus)?利特尔区(动脉丛)РLittle’s area (plexus)?利特尔区(动脉丛)РConfluence of :?Anterior Ethmoidal a. 筛前动脉?Greater Palatine a. 腭大动脉?Sphenopalatine a. 蝶腭动脉?Sup. Labial a. 上唇动脉РNasal cavity properРLateral wall.?three scroll-like bone projections called turbinate or conchae(鼻甲). Below and lateral to each turbinate is the corresponding meatus(鼻道).