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Cell fragments clump together and form fibrin meshes to stop bleeding. The figure is taken from MedlinePlus, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

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Yes. It sits on the Human Body shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

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Platelets initiate blood clotting to seal broken blood vessels

Cell fragments clump together and form fibrin meshes to stop bleeding

Platelets are small cell fragments circulating in blood plasma. When a blood vessel wall suffers damage, platelets adhere to the injury site, release chemical signals, and activate clotting factors that weave a protein web of fibrin to seal the breach.

Where this comes from

MedlinePlus

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Tags: blood, platelets, clotting

Platelets initiate blood clotting to seal broken blood vessels: the short answers

Where does this come from, and can I check it?: Cell fragments clump together and form fibrin meshes to stop bleeding. The figure is taken from MedlinePlus, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a human body fact?: Yes. It sits on the Human Body shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.