WebThe organized arrangement of cells in tissues relies on controlled cell division and cell death. Learn how cells are replenished by stem cells and removed by apoptosis. Web(c) Sclerenchyma: Sclerenchyma cells are dead cells and they are devoid of protoplasm. The cell walls of sclerenchyma are largely thickened with deposition of lignin. (ii) Complex …

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The cell: Types, functions, and organelles - Medical News Today

WebApoptosis is a form of programmed cell death, or “cellular suicide.”. It is different from necrosis, in which cells die due to injury. Apoptosis is an orderly process in which the … WebEpithelial Tissue Function: Epithelial tissues provide the body’s first line of protection from physical, chemical, and biological damage. The cells of an epithelium act as gatekeepers of the body, controlling permeability by … WebBladder cancer is the ninth leading cause of cancer death in the world, killing hundreds of thousands of people every year. Its diagnosis is difficult because its main clinical sign, hematuria, is extremely nonspecific. At the same time, the cancer reaching the stage of tissue invasion, which leads to hematuria, is a strong sign of high-grade tumor. home shop sandblaster