False-colour SEM of human bronchial epithelium

False-colour SEM of human bronchial epithelium

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Caption: False-colour scanning electron micrograph (SEM) of the internal lining, or epithelium, of the bronchial passages in the human lung. Clumps of fine hairs, called cilia, protrude from the tops of specialised epithelial cells. The micrograph also shows the round, smooth goblet cells whose function is to release mucus onto the surface of the epithelium. Rhythmic movements of the cilia serve to move bacteria & other particles away from the gas- exchanging parts of the lung & towards the throat where they can be swallowed or coughed up. Magnification: x275 at 35mm size. Pink tint. Reference: MICROCOSMOS, figure 2.23, page 32.

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Keywords: anatomy, bronchial, bronchial epithelium, cilia, epithelium, false-coloured, goblet cell, human body, respiratory system

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