"Polysomnography" Pronounce,Meaning And Examples
"Polysomnography" Natural Recordings by Native Speakers
"Polysomnography" Meaning
Polysomnography is the process of recording and analyzing the physiological activities of the body during sleep. It typically involves the simultaneous recording of brain waves, muscle activity, heart rate, breathing rate, and other bodily functions to diagnose and monitor sleep disorders, such as sleep apnea, insomnia, and restless leg syndrome. The term polysomnography comes from the Greek words "poly" meaning "many," "somnus" meaning "sleep," and "graphy" meaning "writing" or "recording."
"Polysomnography" Examples
5 usage examples of "Polysomnography":
1. Scientific Research
In a recent study published in the Journal of Sleep Medicine, polysomnography was used to investigate the effects of sleep duration on cognitive function in patients with chronic fatigue syndrome.2. Medical Diagnosis
The polysomnography results indicated that John had suffered from sleep apnea, a condition characterized by recurring episodes of breathing cessation during sleep.3. Medical Treatment
To diagnose and monitor sleep disorders, Dr. Smith used polysomnography to record her patients' brain waves, eye movements, and muscle activity during sleep.4. Clinical Education
For her master's thesis, Emily analyzed the polysomnography data of patients with insomnia and developed a sleep therapy program based on her findings.5. Technical Equipment
The sleep laboratory at the hospital uses a polysomnography system that records multiple physiological channels, including EEG, EMG, and EOG, to monitor patients during sleep studies."Polysomnography" Similar Words
Polysiloxane
Polysiloxane refers to a class of silicone molecules that are typically composed of silicon and oxygen atoms, linked by silicon-oxygen bonds. They are a type of polymer, with the general formula (R2SiO)n, where R is an organic group such as methyl or ethyl. Polysiloxanes are often used in a wide range of applications, including:<br><br>1. Silicone oils and greases: They have a low viscosity and high lubrication properties, making them suitable for use in lubricants and thermal interface materials.<br>2. Adhesives and sealants: Polysiloxanes can form durable and flexible bonds, making them useful in applications such as sealants, adhesives, and coatings.<br>3. Coatings and surface treatments: They can be used to create thin, flexible coatings and layers on surfaces, which can improve their hardness, wear resistance, and chemical stability.<br>4. Thermoset materials: Polysiloxanes can be cross-linked to create rigid, high-temperature-resistant materials with excellent thermal stability.<br>5. Medical applications: Silicone-based materials are widely used in medical devices, implants, and pharmaceuticals due to their biocompatibility, biostability, and resistance to corrosion.<br>6. Cosmetics: Some polysiloxanes are used in personal care products, such as hair conditioners, skin creams, and sunscreens, due to their ability to create a water-repellent barrier on the skin or hair.<br><br>Polysiloxanes are used in various industries, including aerospace, automotive, construction, electronics, and textiles, and are valued for their unique combination of properties, including:<br><br>- High thermal stability<br>- Chemical resistance<br>- Low reactivity<br>- Good lubrication properties<br>- Biocompatibility<br>- Flexibility<br>- Abrasion resistance<br><br>Overall, polysiloxanes are versatile materials with diverse applications and a wide range of properties, making them an important class of materials in various fields.
Polysome
A polysome, plural polysomes, is a cluster of 2-10 or more ribosomes that are associated on a single mRNA molecule. Polysomes are typically seen on cells undergoing rapid protein synthesis, such as muscle cells. When one ribosome finishes translating a part of the mRNA, it moves along the mRNA and the next ribosome becomes associated with the mRNA, and the cycle repeats.
Polysomes
Polysomes are aggregates of multiple ribosomes that are engaged in the translation of a single mRNA molecule. They are often observed in cells under certain conditions such as rapid cell growth or when a cell is producing high levels of a specific protein.
Polysomnogram
Polysomnograph
A polysomnograph (PSG) is a test used to study and record the physical changes that occur in the body during the different stages of sleep. It measures the activity of the brain, heart, muscles, and other physiological functions during sleep, providing detailed information about the quality and stages of sleep.<br><br>A PSG typically records multiple physiological parameters, including:<br><br>1. Brain waves (electroencephalogram or EEG)<br>2. Muscle activity (electromyogram or EMG)<br>3. Eye movements (electrooculogram or EOG)<br>4. Heart rate and rhythm (electrocardiogram or ECG)<br>5. Respiratory movements (respiratory inductance plethysmography or RIP)<br>6. Oxygen saturation and other gases in the blood<br><br>The PSG is typically used to:<br><br>1. Diagnose sleep disorders such as sleep apnea, restless leg syndrome, and narcolepsy<br>2. Monitor the effectiveness of treatments for sleep disorders<br>3. Study the effects of sleep disorders on the body<br>4. Investigate the relationship between sleep and other health conditions, such as cardiovascular disease and diabetes<br><br>A PSG usually takes place overnight in a sleep laboratory or at home, and the data collected is then analyzed by a sleep specialist to provide a detailed report on the individual's sleep patterns.
Polysomnographer
A polysomnographer is a healthcare professional who specializes in the diagnosis and treatment of sleep disorders. They are typically trained to operate and interpret the results of polysomnography (PSG), a sleep study that records various physiological activities during sleep to diagnose and treat sleep disorders, such as sleep apnea, insomnia, and restless leg syndrome.
Polysomnographic
A polysomnographic test is an overnight examination of brain activity and bodily functions during sleep. It helps diagnose sleep disorders such as insomnia, sleep apnea, and restless leg syndrome.
Polysomnographies
Polysomnographies are a type of sleep study that records various physiological activities during sleep, including brain waves, muscle activity, heart rate, and breathing patterns. It is typically used to diagnose and monitor sleep disorders such as sleep apnea, insomnia, and restless leg syndrome.
Polysomy
Polysorbate
Polysorbate is a synthetic surfactant, which is a chemical compound that lowers the surface tension between two liquids, such as oil and water.<br><br>Polysorbates are widely used in various industries, including:<br><br>1. Pharmaceuticals: as a solubilizing agent to enhance the absorption of lipophilic (fat-soluble) substances.<br>2. Cosmetics: as an emulsifier and stabilizer in creams, lotions, and other personal care products.<br>3. Food industry: as an emulsifier and stabilizer in foods, such as chocolate, salad dressings, and energy bars.<br>4. Veterinary medicine: as a carrier agent for drugs and veterinary vaccines.<br><br>Polysorbates are often used in combination with other ingredients to enhance their properties and performance.
Polysorbates
Polysorbates are a classification of synthetic detergents that are derived from the esterification of polyoxyethylene (a polymer of ethylene oxide) with the major castor oil fatty acids or other fatty acids.
Polyspermia
Polyspermy
Polyspermy is a phenomenon in biology where more than one sperm fertilizes an egg cell during fertilization. This can occur in animals and some plants, and is often the result of multiple sperm penetrating the egg at the same time.<br><br>In animals, polyspermy is usually prevented by mechanisms such as the cortical reaction, where the release of calcium ions from the egg triggers a series of reactions that prevent additional sperm from entering. However, in some species, including fish and invertebrates, polyspermy can occur, resulting in the fertilization of the egg by more than one sperm.<br><br>In plants, polyspermy can occur when multiple pollen tubes penetrate the stigma and ovary of a flower, resulting in the fertilization of a single egg by multiple sperm.<br><br>Polyspermy is often seen as a disadvantage in fertilization, as it can lead to the production of abnormal or triploid offspring, which may not be viable or may be sterile. However, in some cases, polyspermy can also lead to the production of healthy offspring, particularly in plants where polyembryony (the development of multiple embryos from a single fertilized egg) is a known phenomenon.
Polystichum
Polystichum is a genus of ferns in the family Dryopteridaceae. They are commonly known as shield ferns or sword ferns, although the latter name is also applied to a different group of ferns (Nephrolepis).
Polystomata
Oral discoid or plate-like mouth bearing a series of small ring-like or V-shaped apertures.
Polystomatous
Having many mouths or suckers; describing a fish or amphibian with a large number of mouths or suction cups, found on its body or around its mouth, used for grasping or feeding.