Science Source Stock Photo - Pine stem, light micrograph

Pine stem, light micrograph

Description: Pine stem (Pinus silvestris). Light micrograph of a section through a single annual growth ring in the stem of a pine (Pinus sp.) tree. Seen here are the large thin-walled tracheid cells of younger spring wood and smaller thick-walled tracheid cells of older autumn wood. Magnification: x40 when printed 10 centimetres wide.

Credit:

FRANK FOX/Science Source

Unique identifier: SS2883366

Type: Image

Size: 5616px × 3744px (~60 MB)

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