![](https://nthumb.tpgimages.com/mid2_com_img/1339/17584/TOP16630755.jpg)
Scots pine (Pinus sylvestris) old stem. Light micrograph of a section through a stem from a Scots pine tree, showing remains of the epidermis and cuticle, with the cork cambium and developing cork (brown), phellogen and phelloderm. From outside in: cortex of parenchyma cells, consisting of scattered large resin canals (red) and small resin canals (blue); ring of secondary phloem composed of sieve tube cells (blue-black) and albuminous cells; under the phloem is a ring of vascular cambium; secondary xylem (brown), composed large tracheid cells and parenchyma cells; primary xylem, consisting of metaxylem and protoxylem; pith (centre) composed of parenchyma cells; principal and subsidiary medullary rays (blue). The annual growth rings of autumn wood (small
px | px | dpi | = | cm | x | cm | = | MB |
Details
Creative#:
TOP16630755
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
Right to Privacy:
No
Same folder images: