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Home > All Images > 1991 > April > 17 Apr 1991

Images Dated 17th April 1991

Choose from 7 pictures in our Images Dated 17th April 1991 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Hairs and glands on thyme Featured 17 Apr 1991 Print

Hairs and glands on thyme

False-colour scanning electron micrograph of the leaf surface of the herb thyme, Thymus vulgaris. The micrograph shows two types of trichomes (projections from the leaf surface); unbranched multicellular hairs (green), which cover most of the surface & glandular trichomes (red spheres), the source of the aromatic oil which gives the herb its value in cooking. Magnification X40 at 6x4.5cm size

© DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY