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Images Dated 28th February 2019

Available as Framed Photos, Photos, Wall Art and Gift Items

Choose from 112 pictures in our Images Dated 28th February 2019 collection for your Wall Art or Photo Gift. Popular choices include Framed Photos, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.

Apoptosis, SEM Featured 28 Feb 2019 Print

Apoptosis, SEM

Apoptosis. Coloured scanning electron micrograph (SEM) of a 293T cell in the early stages of programmed cell death, or apoptosis. Apoptosis occurs when a cell becomes old or damaged. The cell becomes spherical as its cytoskeleton, which holds cell shape, is digested, and blebs form on its surface. Eventually the cell breaks into several vesicles, now known as apoptotic bodies, and is phagocytosed (engulfed and digested) by specialist cells. The breakdown into vesicles prevents the leakage of potentially toxic or immunogenic substances from the cell. Magnification: x8000 when printed at 10 centimetres wide.Specimen courtesy of the influenza research group, Professor Wendy Barclay, Imperial College London, UK

© Science Photo Library

Human hair, sem Featured 28 Feb 2019 Print

Human hair, sem

Human hair (Caucasian, brunette), coloured scanning electron micrograph (SEM). The outer layer of hair (the cuticle) has overlapping scales of keratin. These scales are thought to prevent hairs from matting together. Hair is made up of a fibrous protein called keratin. Internally the hair shaft is divided into three concentric sheaths (layers) called the medulla, cortex and outer cuticle. Hair is non-living tissue. Hair grows from a hair root (bulb) embedded in the skin. Hair growth occurs when epidermal cells divide at the base of the root bulb. Hair is non-living tissue. Magnification: x350 when printed at 10 centimetres wide

© Science Photo Library

Margaret Bondfield - Labour MP - 1st female cabinet minister Featured 28 Feb 2019 Print

Margaret Bondfield - Labour MP - 1st female cabinet minister

Margaret Grace Bondfield CH PC (1873-1953) was a British Labour politician, trade unionist and women's rights activist. She became the first female cabinet minister, and the first woman to be a privy counsellor in the UK, when she was appointed Minister of Labour in the Labour government of 192931. Date: circa 1920s