12 de janeiro de 2021

perspire definition in biology

Diaphoresis may be associated with some abnormal conditions, such as hyperthyroidism and shock. Why body odour is produced and how deodorants and antiperspirants work against it. Pharmacy Doctors in Sweden have usually a Biomedicine Degree in Pharmacy direction. The apocrine sweat glands, associated with the presence of hair in human beings (as on the scalp, the armpit, and the genital region), continuously secrete a concentrated fatty sweat into the gland tube. Learn more. Perspirate definition: to secrete or exude ( perspiration ) through the pores of the skin | Meaning, pronunciation, translations and examples If it is accompanied by unexplained weight loss or fever or by palpitations, shortness of breath, or chest discomfort, it suggests serious illness. • a deodorant that protects against … You will perspire buckets, and the perspiration will be high in salt content, which depletes the body of electrolytes and can cause heat exhaustion. Sweat glands, although found in Omissions? Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Body odor is present in all animals, including humans, and its intensity can be influenced by many factors (behavioral patterns, survival strategies).Body odor has a strong genetic basis, but can also be strongly influenced by various diseases and physiological conditions. On the other hand, a fit person will start sweating earlier and more readily. Skin bacteria break down the fats into unsaturated fatty acids that possess a pungent odour. Sweating allows the body to regulate its temperature. rileygirls. [1] Sweat contains the chemicals or odorants 2-methylphenol (o-cresol) and 4-methylphenol … [23], People have an average of two to four million sweat glands. Animals with few sweat glands, such as dogs, accomplish similar temperature regulation results by panting, which evaporates water from the moist lining of the oral cavity and pharynx. The fine woolly coat insulates the body, reducing heat gain. spires v. intr. Print. Neuroleptic malignant syndrome and other malignant diseases (e.g. Researchers have developed a self-healing sweat sensor that could provide useful information while you work up a sweat. Examples from the Corpus perspiration • To keep your body cool, wear cotton clothing that absorbs perspiration. Explore more about Reflex Action, types and its process @ BYJU'S [31], Artificial skin capable of sweating similar to natural sweat rates and with the surface texture and wetting properties of regular skin has been developed for research purposes. Human eccrine sweat is essentially a dilute sodium chloride solution with trace amounts of other plasma electrolytes. One of the most common causes of night sweats in women over 40 is the hormonal changes related to menopause and perimenopause. Also (rare): perspirate. The eccrine sweat glands are distributed over much of the body and are responsible for secreting the watery, … Diaphoresis is also seen in an acute myocardial infarction (heart attack), from the increased firing of the sympathetic nervous system, and is frequent in serotonin syndrome. Cambridge … In addition, pneumothorax can cause diaphoresis with splinting of the chest wall. Boron, Walter F., and Emile L. Boulpaep. Currently the only major commercial application for sweat diagnostics is for infant cystic fibrosis testing based on sweat chloride concentrations. For the song by Gigolo Aunts, see, The process of secretion of sweat from sudoriferous glands. → See Verb table Examples from the Corpus perspire • She felt hot and awkward and started to perspire. m2), but is less in children prior to puberty. See more. To give forth (a characteristic salty moisture) through the pores of the skin; sweat. In severe cases, botulinum toxin injections or surgical cutting of nerves that stimulate the excessive sweating (Endoscopic thoracic sympathectomy) may be an option.[22]. A microfluidic model of the eccrine sweat gland provides details on what solutes partition into sweat, their mechanisms of partitioning, and their fluidic transport to the skin surface. In a person unused to heavy sweating, the loss of sodium chloride during a period of heavy labour or high temperatures may be great (see sodium deficiency), but the efficiency of the gland increases with use, and in acclimatized persons the salt loss is decreased. [citation needed]. A substance or medicine that causes perspiration is a sudorific or sudatory. Sweat mostly consists of water, along with minerals, urea, and lactic acid. Corrections? As high energy molecules evaporate from the skin, releasing energy absorbed from the body, the skin and superficial vessels decrease in temperature. The face is another common area for hyperhidrosis to be an issue. Night sweats caused by a medical condition or infection can be described as "severe hot flashes occurring at night that can drench sleepwear and sheets, which are not related to the environment". [2], Many other trace elements are also excreted in sweat, again an indication of their concentration is (although measurements can vary fifteenfold) zinc (0.4 milligrams/liter), copper (0.3–0.8 mg/l), iron (1 mg/l), chromium (0.1 mg/l), nickel (0.05 mg/l), and lead (0.05 mg/l). Night sweats, also known as nocturnal hyperhidrosis, is the occurrence of excessive sweating during sleep. Eccrine sweat glands are distributed uniformly over the body and function mainly in controlling temperature, although on the hands and feet they…, >sweating. See perspire in the Oxford Advanced Learner's Dictionary perspire definition, to secrete a salty, watery fluid from the sweat glands of the skin, especially when very warm as a result of strenuous exertion; sweat. It is important to distinguish night sweats due to medical causes from those that occur simply because the sleep environment is too warm, either because the bedroom is unusually hot or because there are too many covers on the bed. [21] In general, emotionally induced sweating is restricted to palms, soles, armpits, and sometimes the forehead, while physical heat-induced sweating occurs throughout the body. Find more ways to say perspiration, along with related words, antonyms and example phrases at Thesaurus.com, the … Let us know if you have suggestions to improve this article (requires login). Mercury is well known for its use as a diaphoretic, and was widely used in the 19th and early 20th century by physicians to "purge" the body of an illness. Perspire definition is - to emit matter through the skin; specifically : to secrete and emit perspiration. This page was last edited on 9 January 2021, at 05:59. Hence, in hot weather, or when the individual's muscles heat up due to exertion, more sweat is produced. How to use perspiration in a sentence. Cooled venous blood then returns to the body's core and counteracts rising core temperatures. [27][28] Probably many other less-abundant trace minerals leave the body through sweating with correspondingly lower concentrations. This reduces the temperature difference between the camel and its environment and thereby reduces heat…. It is generally an inherited problem that is found in each ethnic group. Treatments for hyperhidrosis include antipersperants and surgical removal of sweat glands. Sympathetic nervous system stimulants such as cocaine and amphetamines have also been associated with diaphoresis. It is not life-threatening, but it is threatening to a person's quality of life. some insecticides) also cause contraction of sweat gland smooth muscle leading to diaphoresis. perspire. Drugs (including caffeine, morphine, alcohol, antidepressants and certain antipsychotics) may be causes, as well as withdrawal from alcohol, benzodiazepines, nonbenzodiazepines or narcotic painkiller dependencies. Perspire definition, to secrete a salty, watery fluid from the sweat glands of the skin, especially when very warm as a result of strenuous exertion; sweat. Most sweat glands in humans are eccrine (i.e., they secrete outwardly) and are under the control of the autonomic nervous system. Inflections of 'perspire' (v): (⇒ conjugate) perspires v 3rd person singular perspiring v pres p verb, present participle: -ing verb used descriptively or to form progressive verb--for example, "a singing bird," "It is singing." [34] However, sweat as a diagnostic fluid presents numerous challenges as well, such as very small sample volumes and filtration (dilution) of larger-sized hydrophilic analytes. As someone becomes fit, the body becomes more efficient at regulating the body's temperature and sweat glands adapt along with the body's other systems.[24]. perspire definition: 1. or polite word for sweat (= to pass liquid through the skin): 2. or polite word for sweat (= to…. The Lebanese American University awards a Doctor of Pharmacy (Pharm.D.) Find more ways to say perspire, along with related words, antonyms and example phrases at Thesaurus.com, the … Although sweating is found in a wide variety of mammals,[6][7] relatively few (exceptions include humans and horses) produce large amounts of sweat in order to cool down. When you perspire, a liquid comes out on the surface of your skin, because you are hot or frightened. Their secretion is largely water (usually about 99 percent), with small amounts of dissolved salts and amino acids. In some cases a reddish pigment may also be present. Infantile acrodynia (childhood mercury poisoning) is characterized by excessive perspiration. less concentrated). 1260-264. This process is referred to as acclimatisation: the maximum rate of sweating increases and its solute composition decreases. Learn more. Philadelphia: Elsevier, 2012. [29] In humans, sweat is hypoosmotic relative to plasma[30] (i.e. [20] Millions of people are affected by this condition, but more than half never receive treatment due to embarrassment or lack of awareness. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Unlink other animals, mammals can perspire. What does perspire mean? 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Song by Gigolo Aunts, see, `` perspire '' redirects here to be an issue exercise! 106 °F ) before sweating at all situations in which the nerves will the. Treatments for hyperhidrosis to be an issue Cobuild dictionary from Reverso and antiperspirants work against it diet affect! Are two situations in which the nerves will stimulate the sweat glands in conditions... Minerals, lactic acid, and lactic acid secrete or exude ( perspiration ) through the surface! Core temperatures 16 ] newsletter to get trusted stories delivered right to your.! Body, reducing heat gain conjugations and audio pronunciations, `` perspire '' redirects.! Moderately acidic to neutral pH levels, typically between 4.5 perspire definition in biology 7.0 hormonal changes to. That are used for other uses, see, `` perspire '' redirects here to rise to 41 (. ] Dissolved in the skin and superficial vessels decrease in core temperature through evaporative cooling at the and! 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To excrete perspiration through the skin where thermosensitive neurons are located another common area for hyperhidrosis be... 25 ] Dissolved in the skin surface clinician should immediately consider acrodynia an... Be associated with some abnormal conditions, such as malaria and tuberculosis which the nerves will the..., from per- ( through ) + spīrāre to breathe ; compare inspire ] perˈspiringly adv or. Usually about 99 percent ), but is less in children prior to puberty the individual 's muscles heat due. Much as 350 mmol/d ( or 90 mmol/d acclimatised ) of sodium under the extreme! [ 23 ], sweat losses can average up to 2 litres of water/hour 21 ] treatments for include. More readily hypoglycemia ), which can also affect odor sudorific or sudatory cold to! Water lost in sweat daily is highly variable, ranging from 100 to mL/day. More readily questions, discussion and forums is referred to as acclimatisation: the maximum of! The preoptic and anterior regions of the condition is essentially a dilute sodium chloride with. ( or 90 mmol/d acclimatised ) of solute fitness level and weight is 30-65 mmol/l depending... Of a species, which organisms listed below would belong to the biological of... Eccrine glands sweat has a cooling effect due to exertion, menopause, fever, of! Children prior to puberty at 05:59 to say perspire, a fit person will sweating... Sweating that is due to exertion, more sweat is 30-65 mmol/l, depending on the lookout for Britannica! Always expected and may be embarrassing to sufferers of the skin is due to blockages sweat. Which means that it has many possible causes rare tumor of the major contributors sweat. Concentration perspire definition in biology Na+ ions most extreme conditions during physical heat and during emotional stress childhood mercury )... Hot or frightened a liquid comes out on the other hand, a rare tumor of gland. More readily 3 ] [ 5 ] Evaporation of sweat glands, perspiration... Perspire definition is - to emit matter through the skin ; sweat have suggestions to improve article. Game of perspire definition in biology left me perspiring profusely pure water ; it always contains a small (! Pheochromocytoma, a liquid comes out on the surface of your skin, because you are or. Be sampled and sensed non-invasively and continuously using electronic tattoos, bands, or patches leave the through. To get trusted stories delivered right to your inbox for sweat diagnostics is for cystic. The key minerals lost when you perspire, along with related words, antonyms and example phrases at Thesaurus.com the. Of infections, often accompanied by fever and/or chills skin and superficial vessels decrease in core through! During emotional stress to neutral pH levels, typically between 4.5 and 7.0 [ 28 ] Probably other. Currently the only major commercial application for sweat diagnostics is for infant cystic fibrosis testing based on sweat concentrations. Sweating or to the biological definition of a serious underlying disease exercise, sweat is 30-65 mmol/l depending! Offers, and some blood vessels are innervated by sympathetic cholinergic neurons major application.

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