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Overview of signal transduction pathways involved in apoptosis. Cell death is the event of a biological cell ceasing to carry out its functions. This may be the result of the natural process of old cells dying and being replaced by new ones, as in programmed cell death, or may result from factors such as diseases, localized injury, or the death of the organism of which the cells are part.
Programmed cell death (PCD; sometimes referred to as cellular suicide [1]) is the death of a cell as a result of events inside of a cell, such as apoptosis or autophagy. [2] [3] PCD is carried out in a biological process, which usually confers advantage during an organism's lifecycle.
John Foxton Ross Kerr AO (24 January 1934 – 4 June 2024) was an Australian pathologist.He was the first to describe the ultrastructural changes in apoptosis, and could show that they differ significantly from the changes that occur in necrosis, another form of cell death.
Casualties in the Russo-Ukrainian War include six deaths during the 2014 annexation of Crimea by the Russian Federation, 14,200–14,400 military and civilian deaths during the War in Donbas, [1] and up to 1,000,000 estimated casualties during the Russian invasion of Ukraine till mid-September 2024.
Maternal death or maternal mortality is defined in slightly different ways by several different health organizations. The World Health Organization (WHO) defines maternal death as the death of a pregnant mother due to complications related to pregnancy, underlying conditions worsened by the pregnancy or management of these conditions.
In parasitology, a nurse cell is an infected cell in the disease trichinosis discovered by Dickson Despommier.A trichinella larva enters a cell and develops there, probably as a way of concealing itself from the immune system.
Nofriansyah Yosua Hutabarat was born on 29 November 1994 in Jambi, Indonesia, to Samuel Hutabarat (born 1966) and Rosti Simanjuntak (born 1968). [7] He has an older sister, Yuni Artika Hutabarat (born 1988), and a younger brother, Mahareza Rizky Hutabarat (born 2000).
In mammals, invertebrates and most fish, [1] [2] the anus (pl.: anuses or ani; from Latin, 'ring' or 'circle') is the external body orifice at the exit end of the digestive tract (), i.e. the opposite end from the mouth.