呼吸系统 Respiratory system

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Presentation transcript:

呼吸系统 Respiratory system

实验要求：掌握气管和肺的结构 实验内容： 观察切片： 1.气管（NO.3) 2.肺（NO.31)

Trachea (NO.3) Smooth muscle Mixed glands

Human trachea (NO.3) Mucosa Submucosa Adventitia

Pseudostratified ciliated columnar epi. Lamina propria Mixed glands

Human lung (NO.31) Respiratory bronchiole Bronchiole Terminal bronchiole Bronchia

Conducting portion Bronchiole Bronchia Terminal bronchiole

respiratory portion Alveolar duct Respiratory bronchiole Alveolar sac

Pulmonary Alveoli Type I alveolar cell Type II alveolar cell Alveolar septum

Dust cell phagocytose carbon or duct particles

Blood-air barrier

The end

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