PLATELET

Platelet

Platelets, or thrombocytes, are small,disk shaped clear cell fragments, 2–3 µm in diameter, which are derived from fragmentation of precursor megakaryocytes.  The average lifespan of a platelet is normally just 5 to 9 days. Platelets are a natural source of growth factors. They circulate in the blood of mammals and are involved in hemostasis, leading to the formation of blood clots.

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platelet

Noun

  1. A small colorless disk-shaped particle found in the blood of mammals, which plays an important role in the formation of blood clots.


The above text is a snippet from Wiktionary: platelet
and as such is available under the Creative Commons Attribution/Share-Alike License.

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