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Our featured image, acquired by Rohit Nautiyal, shows a monolayer of brain endothelial cells seeded on a glass substrate coated with fibronectin. The cells were fixed and stained for ZO-1 (LUT- Red Hot) to visualise the tight junctions and actin (LUT-blue). The image was captured with a spinning disk confocal microscope and post-processed with Fiji software.

The copyright for all the images in our gallery remains with the author unless otherwise stated. Please contact the author if you would like to use an image for any purpose.

This image is an immuno-scanning electron micrograph of a primary cilium, taken from an intact human pancreatic islet. The cilium is a microtubule-based structure and is seen here labelled with colloidal gold for acetylated alpha tubulin. In contrast, there is a lawn of short dense microvilli which are actin-based and cover the beta cell membrane. Both cilia and microvilli serve important roles for beta cell glucose sensing and signalling.

Human fibroblast labelled for mitochondria (Tom20) in yellow, alpha tubulin in pink and actin in grey.

The Tiny Thinker: Inside the Brain of a Larval Zebrafish – Shivangi Verma

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