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Scribbly gum bark | Katarina Christenson

Diatom, Scanning Electron Micrograph (SEM)

Coccolithophores are microscopic algae that first appeared 220 million years ago, and flourished during the cretaceous period. They produce peculiar plates called cocoliths out of calcium carbonate, and incorporate them into an external shell. They constantly remove carbon from the atmosphere as they die and sink to the ocean floor, producing chalk. This is an important feedback system in the global carbon cycle. Seriously, how does cellular machinery produce these structures? Life is...

Planktonic diatom - Coloured scanning electron micrograph (SEM) of a diatom

Diatom. Coloured scanning electron micrograph (SEM) of the Arachnoidiscus sp. diatom

My most recent painting, taking lots of influence from microscope slides looking at cellular structures in plants. This was for my in laws for Christmas.

Diatom. Coloured scanning electron micrograph (SEM) of a Campylosira grevilsi diatom

✿⊱╮B-cell.Las células beta son un tipo de célula del páncreas localizadas en los islotes de Langerhans. Sintetizan y segregan la insulina, una hormona que controla los niveles de glucosa en la sangre.

Scanning electron micrograph of the chicken egg, showing the eggshell’s crystal microstructure in cross-section. Credit: Mary Caswell Stoddard/Jeremy Skepper, Department of Zoology, University of Cambridge

Diatom. Coloured scanning electron micrograph (SEM) of a Skeletonema punctatum diatom