Scots pine (Pinus sylvestris) young 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, phellogen and phelloderm (dark-red). 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 (light red) and albuminous cells; under the phloem is a ring of vascular cambium; secondary xylem (light red), 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
px | px | dpi | = | cm | x | cm | = | MB |
Details
Creative#:
TOP16630754
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: