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medical-notes/content/Histologi/Blod/Trombocyt.md
2025-10-13 18:00:23 +02:00

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Kort
- Cellfragment från megakaryocyter som deltar i primär hemostas och koagulation.
Kännetecken (LM/EM)
- LM: små violetta fragment 24 µm. EM: granula (alfa, delta), öppet kanalikulärt system.
Funktion
- Adhesion (via vWF), aggregation (ADP/TXA₂), frisätter koagulationsstimulerande faktorer.
Andel i blod
- 150400 × 10³/µL (typiskt referensintervall).
Livslängd
- 810 dagar; elimineras i mjälte.
Relaterat
- [[Histologi/Blod/Trombopoes|Trombopoes]]
- [[Histologi/Blod/Hemostas Primär|Hemostas primär]]