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Other rare causes of hyperthermia include thyrotoxicosis and an adrenal gland tumor, called pheochromocytoma, both of which can cause increased heat production. [2] Damage to the central nervous system from brain hemorrhage, traumatic brain injury, status epilepticus, and other kinds of injury to the hypothalamus can also cause hyperthermia. [2]
Fahrenheit proposed his temperature scale in 1724, basing it on two reference points of temperature. In his initial scale (which is not the final Fahrenheit scale), the zero point was determined by placing the thermometer in "a mixture of ice, water, and salis Armoniaci [note 1] [transl. ammonium chloride] or even sea salt". [11]
Simplified control circuit of human thermoregulation. [8]The core temperature of a human is regulated and stabilized primarily by the hypothalamus, a region of the brain linking the endocrine system to the nervous system, [9] and more specifically by the anterior hypothalamic nucleus and the adjacent preoptic area regions of the hypothalamus.
It’s one of only three countries in the world that doesn’t use the metric system. You’d think that temperature would be something that pretty much the whole world could agree on a universal ...
According to Fahrenheit's 1724 article, [13] [14] he determined his scale by reference to three fixed points of temperature. The lowest temperature was achieved by preparing a frigorific mixture of ice , water, and a salt (" ammonium chloride or even sea salt"), and waiting for the eutectic system to reach equilibrium temperature .
Lashley used these methods in combination with a large sample of animals to get results that can be statistically analyzed, and therefore came up with his equipotentiality and mass action theories. However, many others came up with different conclusions based on his results that again cast doubt upon Lashley's determinations of what was ...
However, the deepest cryogenic points are based exclusively on the vapor pressure/temperature relationship of helium and its isotopes whereas the remainder of its cold points (those less than room temperature) are based on triple points. Examples of other defining points are the triple point of hydrogen (−259.3467 °C) and the freezing point ...
US comic Nate Bargatze is being praised for the latest edition of Saturday Night Live, which he hosted on 28 October.. In particular, fans of the long-running sketch show are expressing their ...