platelet

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platelet:

see blood clottingblood clotting,
process by which the blood coagulates to form solid masses, or clots. In minor injuries, small oval bodies called platelets, or thrombocytes, tend to collect and form plugs in blood vessel openings.
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Platelet

 

(also thrombocyte), a formed element found in the blood of vertebrate animals and man that plays an important role in blood coagulation. The platelets of vertebrate animals (except mammals) are small ovoid cells with a solid nucleus and weakly basophilic cytoplasm. In mammals, including man, platelets are anuclear bodies 2–5 µ in diameter. The platelets normally number about 250,000–350,000 per cubic mm of blood. They have granules containing serotonin and substances involved in blood coagulation, as well as mitochondria, microtubules, glycogen granules, and sometimes ribosomes. In mammals, platelets originate in the blood-forming organs when fragments of the cytoplasm of megakaryocytes separate from the megakaryocytes. The life-span of the platelets of mammals, including man, is about five to nine days.

REFERENCE

Markosian, A. A. Fiziologiia trombotsitov. Leningrad, 1970.

platelet

[′plāt·lət]
(histology)
(hydrology)
A small ice crystal which, when united with other such crystals, forms a layer of floating ice, especially sea ice, and serves as seed crystals for further thickening of the ice cover.

platelet

a minute cell occurring in the blood of vertebrates and involved in clotting of the blood
References in periodicals archive ?
While the PLT count is the most important parameter to diagnose thrombocytopenia, it doesn't provide information regarding the underlying cause of low platelet count, which makes the differential diagnosis unclear.
Majority of bleeding manifestations occurred in patients with platelet count less than 10,000/[micro]L.
Interferon therapy is also known to cause a 10 50% fall in platelet counts.
The post-test/normal PRP platelet count ratios in the control tubes were much higher (range 0.
Platelet count, mean platelet volume, platelet distribution width, and plateletcrit do not correlate with optical platelet aggregation responses in healthy volunteers.
In this patient, a high platelet count may have strongly contributed to the appearance of the thrombus.
vivax infection previously8, this observational study illustrates statistically that platelet count in a patient of P.
Before an invasive procedure in patients with hemostatic abnormalities, a platelet count at or above 50,000/ uL is generally considered adequate.
Platelet count had a relatively linear relationship with the MA (Pearson correlation coefficient: 0.
Platelet count was stratified as either less than or equal to 160,000/[mm.
But there was a five-month reduction in survival and impaired quality of life for patients with a raised platelet count.

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