Colour enhanced light micrograph of the cross section of a Tilia sp. stem. The stem is three-years-old as it has three growth rings (concentric circles). The following is depicted (from outer to inner circle): epidermis (dark blue edge),primary and secondary phloem (deep purple section) with pith rays (triangular parts in phloem),primary and secondary Xylem (light pinkish sets of rings),and Pith (blue/purple portion in centre) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Omikron |
Bildgröße: | 4217 px × 3154 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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