Trachea lining, TEM

Trachea lining, TEM

C014/1469

Rights Managed

Caption

Trachea lining. Transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs. The epithelial lining consists of cells that have hair-like cilia (long) on their surface and mucus-secreting glands. Mucus secreted by the glands traps debris, such as dust particles or bacteria, in the inhaled air, while the beating of the cilia moves the mucus and particles upwards out of the respiratory tract, helping to keep the lungs and airways clear and prevent infection. Clear basal bodies and mitochondria (yellow) are visible in the cell bodies. Magnification: x7000 when printed 10 centimetres wide.

Release details

Model release not required. Property release not available.

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