ŒÄ‹zŠí 19. I––׋CŠÇŽx@c’fD

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Respiratory system 19. Terminal bronchiole, longitudinal section.

Human, infusion fixation with formalin, embedding with paraffin,
H-E stain,‚˜ 320.
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The upper half of this field is the lumen of a terminal bronchiole. In the middle
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of the field we can see the morphological change of the lining epithelium, i.e. at
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leftmost portion tall ciliated columnar epithelium intermingled with goblet cells,
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at center ciliated cubic epithelium, and at rightmost portion non-ciliated cubic or
low columnar epithelium. Lower half of this field is lumen of alveoli.
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–ß‚é