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Artwork of asthmatic respiratory system on inhaler

Artwork of asthmatic respiratory system on inhaler

M109/0153

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Credit

JOHN BAVOSI / SCIENCE PHOTO LIBRARY JOHN BAVOSI / SCIENCE PHOTO LIBRARY

Caption

Asthma. Artwork of part of the respiratory system, seen on an aerosol inhaler (blue), showing the effects of asthma. The bronchi, covered in bands of cartilage (pink), lead to smaller bronchiole airways that end in clusters of alveoli air sacs. One of the clusters is seen in section, revealing the sputum, or phlegm (yellow), it contains. In asthma, a trigger, such as an allergen, causes the bronchioles to narrow and become inflamed. This results in increased production of mucus, further reducing the lungs' oxygen capacity. Asthma is treated by taking a bronchodilator drug to widen the bronchioles using an aerosol inhaler.

Release details

Model release not required. Property release not required.

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