Karyolysis
In this article, we will explore the different aspects related to Karyolysis, understanding its importance and its impact on today's society. From its origins to its current situation, we will analyze how Karyolysis has managed to influence different aspects of daily life. We will address different perspectives and opinions on Karyolysis, seeking to understand its relevance in different contexts. Additionally, we will examine potential challenges and opportunities related to Karyolysis, and how these may impact the future. Through this article, we will seek to shed light on the role of Karyolysis in the contemporary world and how it continues to shape our reality.
Karyolysis (from Greek κάρυον karyon—kernel, seed, or nucleus), and λύσις lysis from λύειν lyein, "to separate") is the complete dissolution of the chromatin of a dying cell due to the enzymatic degradation by endonucleases. The whole cell will eventually stain uniformly with eosin after karyolysis. It is usually associated with karyorrhexis and occurs mainly as a result of necrosis, while in apoptosis after karyorrhexis the nucleus usually dissolves into apoptotic bodies.
Disintegration of the cytoplasm, pyknosis of the nuclei, and karyolysis of the nuclei of scattered transitional cells may be seen in urine from healthy individuals as well as in urine containing malignant cells. Cells with an attached tag of partially preserved cytoplasm were initially described by Papanicolaou and are sometimes called comet or decoy cells. They may have some of the characteristics of malignancy, and it is therefore important that they be recognized for what they are.
Additional images
-
Micrograph showing karyolysis and contraction band necrosis in an individual that had a myocardial infarction (heart attack). -
Micrograph showing karyolysis and contraction band necrosis (left of image) and ischemic (nucleated) cardiac myocytes (right of image) in an individual that had a myocardial infarction.
See also
References
- ^ Cotran; Kumar, Collins (1998). Robbins Pathologic Basis of Disease. Philadelphia: W.B Saunders Company. ISBN 0-7216-7335-X.
- ^ Bibbo, Marluce (2008). Comprehensive Cytopathology (Third ed.). Elsevier Inc. pp. 409–437.
 | This cell biology article is a stub. You can help Wikipedia by expanding it. |