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Formation of the Platelet Plug

Formation of the Platelet Plug

The platelet phase, the second stage of hemostasis, commences around 15-20 seconds after an injury. It follows and overlaps with the vascular phase, during which blood vessels constrict to minimize blood loss.
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...

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Related Experiment Video

Updated: Jun 25, 2026

Platelet Adhesion and Aggregation Under Flow using Microfluidic Flow Cells

Platelet Adhesion and Aggregation Under Flow using Microfluidic Flow Cells

Published on: October 27, 2009

Platelet adhesion under flow.

Zaverio M Ruggeri¹

¹Roon Research Center for Arteriosclerosis and Thrombosis, Division of Blood Cell and Vascular Biology, Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, California 92037, USA. ruggeri@scripps.edu

Microcirculation (New York, N.Y. : 1994)

|February 5, 2009

Summary

This summary is machine-generated.

Platelet adhesion is crucial for hemostasis and thrombosis, and increasingly recognized in inflammation, immunity, and cancer. This review focuses on how platelet adhesive functions adapt to blood flow dynamics.

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Last Updated: Jun 25, 2026

Platelet Adhesion and Aggregation Under Flow using Microfluidic Flow Cells

Platelet Adhesion and Aggregation Under Flow using Microfluidic Flow Cells

Published on: October 27, 2009

Laminar Flow-based Assays to Investigate Leukocyte Recruitment on Cultured Vascular Cells and Adherent Platelets

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Live-cell Imaging of Platelet Degranulation and Secretion Under Flow

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Area of Science:

Biomedical Sciences
Cell Biology
Hematology

Background:

Platelet-adhesive mechanisms are vital for hemostasis and thrombosis.
Emerging evidence implicates platelet adhesion in inflammation, immune responses, and cancer metastasis.
Platelet adhesion involves interactions with vascular structures, other platelets, and blood cells.

Purpose of the Study:

To review the multifaceted roles of platelet adhesion beyond hemostasis and thrombosis.
To explore the adaptation of platelet-adhesive functions in response to blood flow.
To highlight the significance of platelet interactions in various pathophysiological processes.

Main Methods:

Literature review focusing on platelet adhesion mechanisms.
Analysis of studies investigating platelet interactions in different biological contexts.
Examination of the impact of blood flow on platelet adhesive functions.

Main Results:

Platelet adhesion is fundamental to thrombus formation and stabilization.
Platelet adhesive functions are implicated in inflammatory and immune responses.
Platelet adhesion plays a role in cancer cell metastasis.
Blood flow significantly influences platelet adhesion dynamics.

Conclusions:

Platelet adhesion is a central process with implications across multiple pathophysiological conditions.
Understanding the adaptation of platelet adhesion to blood flow is critical.
Platelet interactions represent a unified biological process with diverse functional outcomes.