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platelet Definition

plate·let (plātlit)

noun

  1. any of certain round or oval, nonnucleated disks, smaller than a red blood cell and containing no hemoglobin, found in the blood of mammals and associated with the process of blood clotting
  2. thrombocyte (sense )

Etymology: plate + -let

platelet Usage Examples

Converse of object

  • transfuse: For patients with bone marrow failure, it has been accepted practice to transfuse platelets where levels are very low.
  • activate: Activated platelets, which are already interacting with neutrophils, are able to adhere to the surface of damaged vessel wall.
  • match: Donors might be especially called to a clinic to provide HLA class I matched platelets for a certain patient.

Preposition: in

  • blood: Green tea may also promote cardiovascular health by making platelets in the blood less sticky.

Adjective modifier

  • rhd: Occasionally, if an appropriate product is not available, it may be necessary to use RhD positive platelets.
  • pooled: The recipient ( 58 year old male ) suffered fatal septic shock after transfusion with a 2-day old unit of pooled platelets.
  • random: In patients dependent on platelet transfusion, HPA antibodies may be a cause of refractoriness to random donor platelets.
  • compatible: Alternatively selection of compatible platelets by crossmatching can be considered.
  • negative: Rhesus D negative women of childbearing age should receive Rhesus D negative platelets.

Modifies a noun

  • aggregation: Just to confuse things further, there is now an acceptance that in some people aspirin may not prevent platelet aggregation.
  • transfusion: Like the adult form, platelet transfusions should NOT be given.
  • count: His platelet count remained within normal limits during the course of his illness.
  • refractoriness: The patient with AML was receiving multiple transfusions of both red cells and platelets, and thus presented as a case of platelet refractoriness.
  • stickiness: Garlic is also able to inhibit platelet stickiness, reducing the risk of blood clots.
  • glycoprotein: Use of a monoclonal antibody directed against the platelet glycoprotein IIb/IIIa receptor in high-risk coronary angioplasty.

Noun used with modifier

  • apheresis: This problem has been particularly apparent in small children receiving apheresis platelet concentrates, which contain large volumes of plasma from single donors.
  • blood: However, my blood platelets were not rising, nor were my liver enzymes decreasing.
  • donor: In some patients with HLA antibodies, HPA antibodies may also be present requiring donor platelets matched for both type of antibodies.
  • decrease: Decreases platelet clumping in bloodstream, and prevents clots at site of blood-vessel damage in heart and brain.
  • clay: Both Rams head and Spiral wedging involve the folding of the clay on itself too build up an ever tightening spiral of clay platelets.