PROF. P. MOTTA / DEPT. OF ANATOMY / UNIVERSITY "LA SAPIENZA", ROME / SCIENCE PHOTO LIBRARY PROF. P. MOTTA / DEPT. OF ANATOMY / UNIVERSITY "LA SAPIENZA", ROME / SCIENCE PHOTO LIBRARY
Blood capillary in muscle: false-colour scanning electron micrograph (SEM) of a blood capillary (blue) coursing through striated skeletal muscle (rust red). In close physical association with this small blood vessel is a pericyte, a cell with long cytoplasmic extensions (yellow). The function of pericytes is obscure: suggestions include acting as phagocytes (scavenging cells), capable of transformation into smooth muscle cells & that they produce material for the construction of endothelium, the epithelium that lines all types of blood vessels. Magnification: x670 at 6x7cm size.
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