28.7 MB (7.6 MB compressed)
3729 x 2687 pixels
31.5 x 22.9 cm ⏐ 12.4 x 9.0 in (300dpi)
TED KINSMAN / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY TED KINSMAN / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY
A close up of the seed leaf or cotyledon of a cannabis plant. Imaged with a scanning electron microscope (SEM). The surface of the cotyledon. The cotyledon is the scientific name for the fist two leaves the plant makes. In reality, these two leaves are actually folded up inside the seed, so this structure is often called the seed leaves. It is important that the seeding gets these leaves unfolded and oriented correctly quickly to start photosynthesis and start False colour has been applied. The marijuana plant produces tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The filed of view in this image is 1.2 mm wide.
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