Nasal lining. Transmission electron micrograph (TEM) of a section through cilia (green) covering the epithelial lining of the nasopharyx, the part of the throat behind the nasal cavity. Cilia are microscopic hair-like structures that are covered with a sticky mucus, and trap dust and other inhaled particles. Co-ordinated wave-like beating of the cilia propels the mucus backwards towards the throat, where it is swallowed. Also seen are microvilli (blue), which increase the cell's surface area. Magnification: x6000 when printed at 10 centimetres wide.
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Creative#:
TPG05327018
Source:
達志影像
Authorization Type:
RF
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須由TPG 完整授權
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NO
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