In general, emotionally induced sweating is restricted to palms, soles, armpits, and sometimes the forehead, while physical heat-induced sweating occurs throughout the body. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. 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. … The face is another common area for hyperhidrosis to be an issue. Learn more. Biology Midterm. Diaphoresis due to ectopic catecholamine is a classic symptom of a pheochromocytoma, a rare tumor of the adrenal gland. 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". When a person moves from a cold climate to a hot climate, adaptive changes occur in the sweating mechanisms of the person. [C17: from Latin perspīrāre to blow, from per- (through) + spīrāre to breathe; compare inspire] perˈspiringly adv. 1260-264. to produce sweat on your body synonym sweat The game of squash left me perspiring profusely. Some people can develop a sweat allergy. [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. Sweating allows the body to regulate its temperature. Sympathetic nervous system stimulants such as cocaine and amphetamines have also been associated with diaphoresis. 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. She was perspiring a little with the heat. (verb) per‧spire /pəˈspaɪə $ pərˈspaɪr/ verb [ intransitive] formal if you perspire, parts of your body become wet, especially because you are hot or have been doing hard work SYN sweat Willie was perspiring heavily. 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. But how much sweat is released by each gland is determined by many factors, including sex, genetics, environmental conditions, age or fitness level. 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. Sweating is controlled from a center in the preoptic and anterior regions of the brain's hypothalamus, where thermosensitive neurons are located. Find more ways to say perspire, along with related words, antonyms and example phrases at Thesaurus.com, the … Search perspire and thousands of other words in English Cobuild dictionary from Reverso. "Sweating." See … ‘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.’ In addition, pneumothorax can cause diaphoresis with splinting of the chest wall. Diaphoresis can also be caused by many types of infections, often accompanied by fever and/or chills. perspired v past verb, past simple: Past … Find more ways to say perspiration, along with related words, antonyms and example phrases at Thesaurus.com, the … Philadelphia: Elsevier, 2012. Another word for perspire. If an individual weighs more, sweat rate is likely to increase because the body must exert more energy to function and there is more body mass to cool down. Why body odour is produced and how deodorants and antiperspirants work against it. This word is both a noun and a verb; it can refer to the act of sweating or to the sweat itself. [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. [3][4][5] Evaporation of sweat from the skin surface has a cooling effect due to evaporative cooling. Drugs (including caffeine, morphine, alcohol, antidepressants and certain antipsychotics) may be causes, as well as withdrawal from alcohol, benzodiazepines, nonbenzodiazepines or narcotic painkiller dependencies. There are two situations in which the nerves will stimulate the sweat glands, causing perspiration: during physical heat and during emotional stress. perspire definition: 1. or polite word for sweat (= to pass liquid through the skin): 2. or polite word for sweat (= to…. Updated 2nd ed. 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. ( pəˈspaɪə) vb. leukemias) can also cause diaphoresis.[16]. Areas that produce excessive sweat usually appear pink or white, but, in severe cases, may appear cracked, scaly, and soft. 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. This is a very common occurrence during the menopausal transition years. [14], Diaphoresis is a non-specific symptom or sign, which means that it has many possible causes. [25] 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. Skin bacteria break down the fats into unsaturated fatty acids that possess a pungent odour. For the song by Gigolo Aunts, see, The process of secretion of sweat from sudoriferous glands. 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. How to use perspire in a sentence. [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. perspire. Translate Perspire. [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). Human eccrine sweat is essentially a dilute sodium chloride solution with trace amounts of other plasma electrolytes. 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. "Sweat" redirects here. Item Term. [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). Get a Britannica Premium subscription and gain access to exclusive content. [21] Medical Physiology. To excrete perspiration through the pores of the skin. Thus, eccrine sweat is an important mechanism for temperature control. Another word for perspiration. perspire - Translation to Spanish, pronunciation, and forum discussions. When you perspire, a liquid comes out on the surface of your skin, because you are hot or frightened. 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. Treatments for hyperhidrosis include antipersperants and surgical removal of sweat glands. Most sweat glands in humans are eccrine (i.e., they secrete outwardly) and are under the control of the autonomic nervous system. [27][28] Probably many other less-abundant trace minerals leave the body through sweating with correspondingly lower concentrations. How to use perspire in a sentence. Our editors will review what you’ve submitted and determine whether to revise the article. [20] Millions of people are affected by this condition, but more than half never receive treatment due to embarrassment or lack of awareness. Medications that are used for other treatments and diet also affect odor. The volume of water lost in sweat daily is highly variable, ranging from 100 to 8,000 mL/day. Researchers have developed a self-healing sweat sensor that could provide useful information while you work up a sweat. The fine woolly coat insulates the body, reducing heat gain. perspire example sentences. It can cause both physiological and emotional problems in patients. 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. 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