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Structure and Function of Platelets

Structure and Function of Platelets

The cell fragments known as platelets are disc-shaped, with an average diameter of about 3 μm and a thickness of roughly 1 μm. They play a crucial role in the body's vascular clotting system, which also involves plasma proteins, blood cells, and blood vessel tissues.
Platelets are continually replenished, circulating in the bloodstream for 9-12 days before being removed by phagocytes, primarily in the spleen. A microliter of circulating blood contains between 150,000 and 450,000 platelets, with...

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Related Experiment Video

Updated: Jul 13, 2026

Gene Transfection toward Spheroid Cells on Micropatterned Culture Plates for Genetically-modified Cell Transplantation

Gene Transfection toward Spheroid Cells on Micropatterned Culture Plates for Genetically-modified Cell Transplantation

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Cell-derived microparticles: 'Miniature envoys with many faces'

¹School of Medicine, University of Miami, Miami, FL, USA. yahn@med.miami.edu

Journal of Thrombosis and Haemostasis : JTH

|May 5, 2005

Summary

No abstract available in PubMed .

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