Balsa wood (cross section), SEM
Numéro d’image : 12301457
| Balsa wood (cross section) showing large conductive elements (Ochroma pyramidale), coloured scanning electron micrograph (SEM). Ochroma pyramidale is a genus of flowering tree in the family Malvaceae (mallow). Ochroma pyramidale (formerly known as Ochroma lagopus) which is known as the balsa tree. It is a large, fast growing tree that can grow up to 100 feet. Balsa wood is a very lightweight material with many uses. Balsa trees are native to southern Brazil and Bolivia north to southern Mexico. Balsa lumber is very soft and light, with a coarse, open grain. The wood of the living tree has large conductive cells that are filled with water. This gives the wood a spongy texture. It also makes the wood of the living tree not much lighter than water and barely able to float. For commercial production, the wood is kiln-dried for about two weeks, leaving the cells hollow. Magnification: x28 when shortest axis printed at 25 millimetres. | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / DENNIS KUNKEL MICROSCOPY |
| Taille de l’image : | 3335 px × 2620 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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