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Home > All Images > 1987 > October > 3 Oct 1987

Images Dated 3rd October 1987

Choose from 6 pictures in our Images Dated 3rd October 1987 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Pollen of Marsh Woundwort flower Featured 3 Oct 1987 Print

Pollen of Marsh Woundwort flower

False colour scanning electron micrograph of pollen grains of a Marsh Woundwort. The outer walls (exine) have a netted ornamentation. When a pollen grain, containing the male gametes, lands on the stigma of a flower, it germinates. A pollen tube grows out from the pollen grain, down through the stigma, to the ovary. The male nuclei pass down this tube, fertilize the ovules & a seed is formed. Magnification: X971 at 35mm size

© R.E.LITCHFIELD/SCIENCE PHOTO LIBRARY