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003429. In medicine, the caloric reflex test (sometimes termed 'vestibular caloric stimulation ') is a test of the vestibulo-ocular reflex that involves irrigating cold or warm water or air into the external auditory canal. This method was developed by Robert Bárány, who won a Nobel prize in 1914 for this discovery.
Cold shock response is a series of neurogenic cardio-respiratory responses caused by sudden immersion in cold water . In cold water immersions, such as by falling through thin ice, cold shock response is perhaps the most common cause of death. [ 1] Also, the abrupt contact with very cold water may cause involuntary inhalation, which, if ...
Overview. Thermal radiation is the emission of electromagnetic waves from all matter that has a temperature greater than absolute zero. [ 5][ 2] Thermal radiation reflects the conversion of thermal energy into electromagnetic energy. Thermal energy is the kinetic energy of random movements of atoms and molecules in matter.
The diving reflex, also known as the diving response and mammalian diving reflex, is a set of physiological responses to immersion that overrides the basic homeostatic reflexes, and is found in all air-breathing vertebrates studied to date. [ 1][ 2][ 3] It optimizes respiration by preferentially distributing oxygen stores to the heart and brain ...
Researchers have found that molecules and microorganisms both inside and outside our bodies are going through dramatic changes, first at about age 44 and then again when we hit 60. Those ...
If you’ve been having sneezing fits and watery eyes of late, there’s one likely culprit this time of the year. Texas is entering cedar fever season, which lasts from mid-December through March ...
Thermoreceptor. A thermoreceptor is a non-specialised sense receptor, or more accurately the receptive portion of a sensory neuron, that codes absolute and relative changes in temperature, primarily within the innocuous range. In the mammalian peripheral nervous system, warmth receptors are thought to be unmyelinated C-fibres (low conduction ...
Thermoregulation. Thermoregulation is the ability of an organism to keep its body temperature within certain boundaries, even when the surrounding temperature is very different. A thermoconforming organism, by contrast, simply adopts the surrounding temperature as its own body temperature, thus avoiding the need for internal thermoregulation.