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Heart muscle cells

Heart muscle cells

P216/0564

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Credit

R. BICK, B. POINDEXTER, UT MEDICAL SCHOOL / SCIENCE PHOTO LIBRARY R. BICK, B. POINDEXTER, UT MEDICAL SCHOOL / SCIENCE PHOTO LIBRARY

Caption

Heart muscle cells, fluorescence deconvolution micrograph. Fluorescent dyes have been used to highlight cellular structures and proteins: cell nuclei (blue), cardiac actin (green), IP3 receptors (red). Actin is a contractile muscle protein. IP3 receptors are calcium channels. Muscle cell contraction is triggered by rising calcium levels, channelled through receptors like these, and in this case triggering the beating of the heart.

Release details

Model release not required. Property release not required.

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