Oak Gallnut With Pigmented Inclusions is a photograph by Garry DeLong which was uploaded on October 22nd, 2014.
Oak Gallnut With Pigmented Inclusions
Light micrograph of a section through an oak gall (oak apple), likely a reaction to an insect parasite. As shown here, galls often contain cells with... more
by Garry DeLong
Title
Oak Gallnut With Pigmented Inclusions
Artist
Garry DeLong
Medium
Photograph
Description
Light micrograph of a section through an oak gall (oak apple), likely a reaction to an insect parasite. As shown here, galls often contain cells with inclusions of pigmented material, often tannin, which was until the 20th century in the production of a very permanent ink. Also present are several vascular bundles. Magnification 28x when printed at 10 cm.
Uploaded
October 22nd, 2014
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