![](https://nthumb.tpgimages.com/mid2_com_img/1339/7978/TOP10174304.jpg)
Macrophotograph of an inflorescenece (flowering shoot) of the cocksfoot grass Dactylis glomerata, showing pollen-bearing anthers (tiny boat-shaped structures) dangling from individual flowers. Cocksfoot pollen, a summer grass pollen abundant in June, is a cause of hay fever. Sufferers produce a sensitising antibody, immunoglobin E (IgE), which attaches to cells in the nose & eyes. It reacts with inhaled pollen (allergen) causing the release of various chemicals, including histamine. Histamine causes the mucous membranes of the nose, eyes & throat to swell & become inflamed, bringing on the familiar hay fever symptoms. Mag: X2 at 35mm size.
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Details
Creative#:
TOP10174304
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
N/A
Right to Privacy:
No
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