Proceso del coagulación de la sangre

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El cuerpo tiene un proceso natural para detener el sangrado de una cortada pequeña en unos pocos minutos. Cuando una pequeña arteria se corta, se exponen las fibras de colágeno, lo que señala el inicio del proceso de coagulación. A medida que las plaquetas comienzan a adherirse a los extremos de la cortada, segregan sustancias químicas que atraen aún más plaquetas. Con el tiempo, se forma un tapón plaquetario y el sangrado externo se detiene. Los factores de coagulación en la sangre causan que filamentos de material que la sangre porta, llamados fibrinas, se junten y sellen la parte interna de la herida. Entonces, el vaso sanguíneo cortado sana y el coágulo se disuelve luego de algunos días.

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  • Last Reviewed on 03/03/2013
  • Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts General Hospital. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, Bethanne Black, Stephanie Slon, and Nissi Wang.

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This page was last updated: September 18, 2013

         
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