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Summary
| Description |
English: Cut-away drawing of the cell wall, including
the structural details of a bordered pit. The various layers of the cell wall are detailed at the top of the drawing, beginning with the middle lamella (ML). The next layer is the primary wall (P), and on the surface of this layer the random orientation of the cellulose microfibrils is detailed. Interior to the primary wall is the secondary wall in its three layers: S1, S2, and S3. The microfibril angle of each layer is illustrated, as well as the relative thickness of the layers. The lower portion of the illustration shows bordered pits in both sectional and face view. |
| Date | |
| Source | https://www.fpl.fs.fed.us/documnts/fplgtr/fplgtr190/chapter_03.pdf |
| Author | Wiedenhoeft, A. Chapter 3: Structure and function of wood. In Wood handbook: wood as an engineering material General technical report FPL GTR-190, Ross, R., Ed. US Dept. of Agriculture, Forest Service, Forest Products Laboratory: Madison, WI, 2010; pp. 3.1-3.18. |
Licensing
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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:09, 8 May 2020 | | 495 × 536 (183 KB) | Christopher.g.hunt | Uploaded a work by Wiedenhoeft, A. Chapter 3: Structure and function of wood. In Wood handbook: wood as an engineering material General technical report FPL GTR-190, Ross, R., Ed. US Dept. of Agriculture, Forest Service, Forest Products Laboratory: Madison, WI, 2010; pp. 3.1-3.18. from https://www.fpl.fs.fed.us/documnts/fplgtr/fplgtr190/chapter_03.pdf with UploadWizard |
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