Sycamore stem. Light micrograph of a vertical section through a sycamore (Acer pseudoplatanus) stem node. The red layer at the edge of the stem is a protective layer of cork and parenchyma tissue (phellogen), known as the abscission layer, that forms just prior to the leaves dropping in autumn.
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Creative#:
TOP10173647
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
N/A
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No
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