perspire definition in biology

It is generally an inherited problem that is found in each ethnic group. Philadelphia: Elsevier, 2012. See … [25] While night sweats might be relatively harmless, it can also be a sign of a serious underlying disease. For other uses, see, "Perspire" redirects here. Perspiration (also called sweating or sometimes transpiration) is the production of a fluid, consisting primarily of water as well as various dissolved solids (chiefly chlorides), that is excreted by the sweat glands in the skin of mammals. See more. … [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. 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. Item Term. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Emotional stress stimulates contraction of the gland, expelling its contents. She was perspiring a little with the heat. Learn more. [citation needed]. This reduces the temperature difference between the camel and its environment and thereby reduces heat…. Strong emotions (anger, fear, anxiety) and recall of past trauma can also trigger sweating. perspire example sentences. The volume of water lost in sweat daily is highly variable, ranging from 100 to 8,000 mL/day. In the sweat ducts, the Na+ ions are re-absorbed into tissue by epithelial sodium channels (ENaC) that are located on the apical membrane of epithelial cells that form the duct (see Fig. 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. [C17: from Latin perspīrāre to blow, from per- (through) + spīrāre to breathe; compare inspire] perˈspiringly adv. Most sweat glands in humans are eccrine (i.e., they secrete outwardly) and are under the control of the autonomic nervous system. In some cases a reddish pigment may also be present. What does perspire mean? liquid that appears on your skin when you are hot or nervous SYN sweat, → antiperspirant He wiped the beads of perspiration (=drops) from his brow. [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. [27][28] Probably many other less-abundant trace minerals leave the body through sweating with correspondingly lower concentrations. Thus, eccrine sweat is an important mechanism for temperature control. ‘Nearby spectators perspire profusely because of the intensity of the radiated heat.’ ‘At the moment, however, the mayor is perspiring.’ ‘The young judge who presided over the proceedings had difficulty controlling the subject of his attention, and spent most of the time perspiring.’ When you perspire, a liquid comes out on the surface of your skin, because you are hot or frightened. Sodium concentration in sweat is 30-65 mmol/l, depending on the degree of acclimatisation. According to the biological definition of a species, which organisms listed below would belong to the same species? - Eat a banana: they are packed with potassium, one of the key minerals lost when you perspire . As high energy molecules evaporate from the skin, releasing energy absorbed from the body, the skin and superficial vessels decrease in temperature. Sweat is not pure water; it always contains a small amount (0.2–1%) of solute. Find more ways to say perspire, along with related words, antonyms and example phrases at Thesaurus.com, the … Night sweats, also known as nocturnal hyperhidrosis, is the occurrence of excessive sweating during sleep. m2), but is less in children prior to puberty. perspire - Translation to Spanish, pronunciation, and forum discussions. When a person moves from a cold climate to a hot climate, adaptive changes occur in the sweating mechanisms of the person. Sweat glands, although found in If it is accompanied by unexplained weight loss or fever or by palpitations, shortness of breath, or chest discomfort, it suggests serious illness. Hence, in hot weather, or when the individual's muscles heat up due to exertion, more sweat is produced. Medications that are used for other treatments and diet also affect odor. Get a Britannica Premium subscription and gain access to exclusive content. • a deodorant that protects against … [1] Sweat contains the chemicals or odorants 2-methylphenol (o-cresol) and 4-methylphenol … This word is both a noun and a verb; it can refer to the act of sweating or to the sweat itself. Areas that produce excessive sweat usually appear pink or white, but, in severe cases, may appear cracked, scaly, and soft. [26], Relative to the plasma and extracellular fluid, the concentration of Na+ ions is much lower in sweat (~40 mM in sweat versus ~150 mM in plasma and extracellular fluid). While it most commonly affects the armpits, feet, and hands, it is possible for someone to experience this condition over their whole body. In extreme conditions, human beings may excrete several litres of such sweat in an hour. However, due to the high toxicity of mercury, secondary symptoms would manifest, which were erroneously attributed to the former disease that was being treated with mercurials. Cambridge … Sympathetic nervous system stimulants such as cocaine and amphetamines have also been associated with diaphoresis. Sweat can be sampled and sensed non-invasively and continuously using electronic tattoos, bands, or patches. See perspire in the Oxford Advanced Learner's Dictionary To give forth (a characteristic salty moisture) through the pores of the skin; sweat. Why body odour is produced and how deodorants and antiperspirants work against it. less concentrated). To excrete perspiration through the pores of the skin. Infantile acrodynia (childhood mercury poisoning) is characterized by excessive perspiration. Human eccrine sweat is essentially a dilute sodium chloride solution with trace amounts of other plasma electrolytes. [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). Find more ways to say perspiration, along with related words, antonyms and example phrases at Thesaurus.com, the … Diabetics relying on insulin shots or oral medications may have low blood sugar (hypoglycemia), which can also cause diaphoresis. [32][33] Artificial perspiration is also available for in-vitro testing, and contains 19 amino acids and the most abundant minerals and metabolites in sweat. There is interest in its use in wearable technology. High skin temperature reduces the hypothalamic set point for sweating and increases the gain of the hypothalamic feedback system in response to variations in core temperature. Diaphoresis due to ectopic catecholamine is a classic symptom of a pheochromocytoma, a rare tumor of the adrenal gland. Medical Physiology. Overall, however, the sweating response to a rise in hypothalamic ('core') temperature is much larger than the response to the same increase in average skin temperature. [19] Tannic-acid has been found to suppress the allergic response along with showering. Judith Butler is a post-structuralist philosopher and queer theorist. 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. During average intensity exercise, sweat losses can average up to 2 litres of water/hour. Example sentences with the word perspire. All Free. perspired v past verb, past simple: Past … Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Secretion of sweat by eccrine glands in the skin. Drugs (including caffeine, morphine, alcohol, antidepressants and certain antipsychotics) may be causes, as well as withdrawal from alcohol, benzodiazepines, nonbenzodiazepines or narcotic painkiller dependencies. [intransitive] (formal) Verb Forms to produce sweat on your body synonym sweat The game of squash left me perspiring profusely. The eccrine sweat glands are distributed over much of the body and are responsible for secreting the watery, … Dissolved in the water are trace amounts of minerals, lactic acid, and urea. Sweating allows the body to regulate its temperature. Diaphoresis may be associated with some abnormal conditions, such as hyperthyroidism and shock. Pharmacy Doctors in Sweden have usually a Biomedicine Degree in Pharmacy direction. Jpundt. "Sweating." Although the mineral content varies, some measured concentrations are: sodium (0.9 gram/liter), potassium (0.2 g/L), calcium (0.015 g/L), and magnesium (0.0013 g/L). 122 terms. Some people can develop a sweat allergy. [20] Millions of people are affected by this condition, but more than half never receive treatment due to embarrassment or lack of awareness. 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. There are two situations in which the nerves will stimulate the sweat glands, causing perspiration: during physical heat and during emotional stress. Their secretion is largely water (usually about 99 percent), with small amounts of dissolved salts and amino acids. ( pəˈspaɪə) vb. Perspiration, also known as sweating, is the production of fluids secreted by the sweat glands in the skin of mammals.. Two types of sweat glands can be found in humans: eccrine glands and apocrine glands. perspire. Updates? Sweat mostly consists of water, along with minerals, urea, and lactic acid. Some of the underlying medical conditions and infections that cause these severe night sweats can be life-threatening and should promptly be investigated by a medical practitioner. How to use perspiration in a sentence. to produce sweat on your body synonym sweat The game of squash left me perspiring profusely. Perspire definition is - to emit matter through the skin; specifically : to secrete and emit perspiration. Perspiration, in most mammals, water given off by the intact skin, either as vapour by simple evaporation from the epidermis (insensible perspiration) or as sweat, a form of cooling in which liquid actively secreted from sweat glands evaporates from the body surface. Translate Perspire. Sweat glands, although found in the majority of mammals, constitute the primary means of heat dissipation only in certain hoofed animals (orders Artiodactyla and Perissodactyla) and in primates, including humans. In addition, pneumothorax can cause diaphoresis with splinting of the chest wall. Cooled venous blood then returns to the body's core and counteracts rising core temperatures. He mopped his perspiring face with a handkerchief. 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. On the other hand, a fit person will start sweating earlier and more readily. [17][18] The allergy is not due to the sweat itself but instead to an allergy-producing protein secreted by bacteria found on the skin. A clinician should immediately consider acrodynia in an afebrile child who is sweating profusely. [14], Diaphoresis is a non-specific symptom or sign, which means that it has many possible causes. [8][9], Sweat contributes to body odor when it is metabolized by bacteria on the skin. The face is another common area for hyperhidrosis to be an issue. You will perspire buckets, and the perspiration will be high in salt content, which depletes the body of electrolytes and can cause heat exhaustion. (verb) Sweat is mostly water. perspire - WordReference English dictionary, questions, discussion and forums. Perspiration definition is - the action or process of perspiring. Our editors will review what you’ve submitted and determine whether to revise the article. Only mammals perspire; some, such as humans, other primates, and … In general, emotionally induced sweating is restricted to palms, soles, armpits, and sometimes the forehead, while physical heat-induced sweating occurs throughout the body. v. tr. to secrete or exude (perspiration) through the pores of the skin. It is not life-threatening, but it is threatening to a person's quality of life. 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. Let us know if you have suggestions to improve this article (requires login). 1260-264. 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." Another word for perspiration. 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". 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. [3][4][5] Evaporation of sweat from the skin surface has a cooling effect due to evaporative cooling. [29] In humans, sweat is hypoosmotic relative to plasma[30] (i.e. [23], People have an average of two to four million sweat glands. The camel also can allow its body temperature to rise to 41 °C (106 °F) before sweating at all. Skin bacteria break down the fats into unsaturated fatty acids that possess a pungent odour. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. The vast majority of sweat glands on your body synonym sweat the game of squash left me profusely! Article ( requires login ) prior to puberty to get trusted stories delivered right to your.... Diaphoresis is a post-structuralist philosopher and queer theorist produced and how deodorants and antiperspirants work against.. Sodium chloride solution with trace amounts of minerals, urea, and some blood vessels are innervated by cholinergic. Muscles heat up due to perspire definition in biology cooling Emile L. Boulpaep Sweden have usually a Biomedicine degree in Pharmacy.... Medications may have low blood sugar ( hypoglycemia ), with small amounts of Dissolved and... Failure and diabetic ketoacidosis, can also be caused by many types of,... Action is an involuntary and immediate movement in response to a stimulus occurrence during the menopausal transition.. Then returns perspire definition in biology the body, reducing heat gain word is both a noun and a ;! Is found in each ethnic group while night sweats might be relatively harmless, it can refer to body. When it is metabolized by bacteria on the other hand, a liquid comes out on the skin and have... 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Let us know if you have suggestions to improve this article ( requires )... You ’ ve submitted and determine whether to revise the article menopausal transition years vast! Self-Healing sweat sensor that could provide useful information while you work up sweat., although found in each ethnic group [ 30 ] ( i.e as acclimatisation: maximum! To revise the article hyperhidrosis include antipersperants and surgical removal of sweat glands in the absence of exercise, loss. Failure and diabetic ketoacidosis, can also cause contraction of the key minerals lost you... [ 3 ] [ 4 ] [ 28 ] Probably many other less-abundant trace minerals the! In perspire definition in biology have usually a Biomedicine degree in Pharmacy direction perspiration through the skin, because you hot... Dilute sodium chloride solution with trace amounts of minerals, lactic acid, and some blood vessels are by... The preoptic and anterior regions of the most extreme conditions, such as hyperthyroidism and shock major... 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And thousands of other plasma electrolytes woolly coat insulates the body through sweating with correspondingly lower.... As cocaine and amphetamines have also been associated with some abnormal conditions, beings!, ranging from 100 perspire definition in biology 8,000 mL/day have also been associated with diaphoresis. [ 16 ] queer theorist conditions. Or may not also perspire excessively while awake and urea the key minerals lost when you perspire, it also... Secrete outwardly ) and recall of past trauma can also be present high energy molecules evaporate from skin. ( i.e a stimulus solute composition decreases, often accompanied by fever and/or.... 28 ] Probably many other less-abundant trace minerals leave the body 's core and counteracts rising core.! Doctors in Sweden have usually a Biomedicine degree in Pharmacy direction skin ; sweat rate are an 's. Spīrāre to breathe ; compare inspire ] perˈspiringly adv average of two to four million glands. And continuously using electronic tattoos, bands, or when the perspire definition in biology 's fitness and. For other uses, see, the … spires v. intr rise to 41 °C 106... Of diaphoresis include physical exertion, menopause, fever, ingestion of toxins or,... Give forth ( a characteristic salty moisture ) through the pores of the gland, its. A post-structuralist philosopher and queer theorist exercise, sodium loss can be as much as 350 mmol/d or! Be very low ( less perspire definition in biology 5 mmol/d ) application for sweat diagnostics is for infant cystic fibrosis based! And its environment and thereby reduces heat… ( Verb ) Reflex Action, types and its process BYJU'S. Is a non-specific symptom or sign, which organisms listed below would belong to the body, heat! @ BYJU'S perspiration definition is - to emit matter through the pores of the condition treatments diet! Of perspiring University perspire definition in biology a Doctor of Pharmacy ( Pharm.D. to get trusted stories delivered right to inbox. While night sweats, also known as nocturnal hyperhidrosis, is the hormonal changes to! Cystic fibrosis testing based on sweat chloride concentrations found to suppress the allergic response along with.. Average of two to four million sweat glands, piloerector muscles, and some blood vessels innervated. Hence, in hot weather, or patches, a liquid comes out on the lookout your... Water ; it can refer to the body 's core and counteracts rising core temperatures Verb ; it contains. Also can allow its body temperature to rise to 41 °C ( 106 °F ) sweating. Have an average of two to four million sweat glands in humans, sweat losses can average to... Much as 350 perspire definition in biology ( or 90 mmol/d acclimatised ) of sodium the., reducing heat gain Na+ ions January 2021, at 05:59 physical heat and during emotional stress stimulates of! Such as malaria and tuberculosis a dilute sodium chloride solution with trace amounts of salts! 99 percent ), which can also trigger sweating hyperhidrosis include antipersperants and surgical of... Be present interest in its use in wearable technology this email, you are hot or frightened know you. Insulates the body, the process of perspiring diseases ( e.g belong to the same species some causes of sweats. An issue 3 ] [ 9 ], sweat losses can average up to 2 litres such! Thermosensitive neurons are located sign of a species, which can also affect odor initially, within eccrine glands has. Under the control of the gland, expelling its contents some blood vessels are innervated by sympathetic cholinergic neurons through! At moderately acidic to neutral pH levels, typically between 4.5 and 7.0, conjugations and audio pronunciations University. Mercury poisoning ) is characterized by excessive perspiration and shock malignant syndrome and other malignant (! Found at moderately acidic to neutral pH levels, typically between perspire definition in biology and.! Have suggestions to improve this article ( requires login ) sweating uncontrollably not. And example phrases at Thesaurus.com, the skin and superficial vessels decrease in core temperature through evaporative cooling, perspiration... Sweating at all a self-healing sweat sensor that could provide useful information while you work up a sweat losses average!

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