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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: Jun 7, 2026

Turbidimetry on Human Washed Platelets: The Effect of the Pannexin1-inhibitor Brilliant Blue FCF on Collagen-induced Aggregation

Turbidimetry on Human Washed Platelets: The Effect of the Pannexin1-inhibitor Brilliant Blue FCF on Collagen-induced Aggregation

Published on: April 6, 2017

Whole blood platelet aggregation based on cell counting procedures

T J Hendra¹, J S Yudkin

¹Research Fellow, Senior Registrar in Medicine, Derriford Hospital, Derriford Road, Plymouth, PL6 8HD, UK.

|November 4, 2010

Summary

No abstract available in PubMed .

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