Search results
Results from the WOW.Com Content Network
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.
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.
Mammals regulate their core temperature using input from thermoreceptors in the hypothalamus, brain, [18] [29] spinal cord, internal organs, and great veins. [ 30 ] [ 31 ] Apart from the internal regulation of temperature, a process called allostasis can come into play that adjusts behaviour to adapt to the challenge of very hot or cold ...
Thermoreceptors of the skin sense the temperature of water. 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.
A glomus body (or glomus organ; plural glomera) is a component of the dermis layer of the skin, involved in body temperature regulation. [1] [2] The glomus body is a small arteriovenous anastomosis surrounded by a capsule of connective tissue. Glomera are most numerous in the fingers and toes.
Sweat glands are used to regulate temperature and remove waste by secreting water, sodium salts, and nitrogenous waste (such as urea) onto the skin surface. [ 30 ] [ 46 ] The main electrolytes of sweat are sodium and chloride , [ 47 ] though the amount is small enough to make sweat hypotonic at the skin surface. [ 48 ]
A common dye found in snack foods can turn skin invisible so that we can see the organs inside, scientists say. Researchers found that applying the dye to skin allowed them to see the blood ...
In physiology, thermoception or thermoreception is the sensation and perception of temperature, or more accurately, temperature differences inferred from heat flux.It deals with a series of events and processes required for an organism to receive a temperature stimulus, convert it to a molecular signal, and recognize and characterize the signal in order to trigger an appropriate defense response.