Nekrosis

Nekrosis (daripada Yunani purba: νέκρωσις "kematian, peringkat kematian, pembunuhan" daripada νεκρός "mati") ialah satu bentuk kecederaan sel yang menyebabkan kematian pramatang sel pada tisu hidup melalui autolisis. Nekrosis disebabkan oleh faktor yang luaran kepada sel atau tisu, seperti jangkitan, toksin, atau trauma yang menyebabkan pencernaan tidak terkawal atur bagi komponen sel. Berlawanan pula, apoptosis ialah sebab teratur cara dan bersasar yang berlaku secara semula jadi bagi kematian sel. Sementara apoptosis kerap menyediakan kesan bermanfaat kepada organisma, nekrosis hampir selalu memudaratkan dan boleh membawa maut.

Nota

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