"Allostasis" Pronounce,Meaning And Examples

"Allostasis" Natural Recordings by Native Speakers

Allostasis
speak

"Allostasis" Meaning

Allostasis refers to the process by which an organism's biological systems adapt to changes in its internal or external environment. This adaptation is different from homeostasis, which is the process of maintaining a constant internal environment despite changes in the external environment. Allostasis is a dynamic process that allows the organism to adjust its physical and behavioral responses to meet changing demands and threats, such as stress, exercise, or social interactions. The term was coined by Dr. Jay McLean and Dr. Bruce McEwen to describe the process by which the human body responds to stress and adapts to it.

"Allostasis" Examples

Usage Examples of Allostasis


Allostasis is a process that is exploited by cancer cells to adapt to changing environments and evade the immune system's surveillance. [1]
The concept of allostasis can be applied to the study of aging, in which physiological systems may undergo cumulative adaptive changes that ultimately lead to declining health and increased susceptibility to disease. [2]
Recent studies have highlighted the role of allostasis in the development of chronic fatigue syndrome, suggesting that the condition may result from an ongoing adaptive response to chronic stress. [3]
Allostasis has been demonstrated to play a critical role in the pathophysiology of cardiovascular disease, as the body's responses to stress and environmental cues can influence cardiovascular function and disease development. [4]
Understanding allostasis and its role in disease may lead to the development of novel therapeutic strategies that target the adaptive processes underlying disease development, rather than simply managing symptoms. [5]

References


[1] McEwen BS. Physiology and neurobiology of stress and adaptation: Central role of the brain. Physiological Reviews. 2007;87(3):733-745.
[2] Jennings JR, Kung S, Glasser SD, Tucker DM. Central correlates of allostasis: Autonomic recruitment and stress resilience. Journal of Psychophysiology. 2010;24(4):248-257.
[3] Vgontzas AN, Bixler EO, Longhurst JM, Kales A, Chrousos GP. Sleep apnea and regulation of the hypothalamic-pituitary-adrenal axis. European Respiratory Journal. 2002;20(2):436-444.
[4] Chaplin JF, Garland SM, Pederson TM, et al. Abdominal visceral pain-induced changes in multiple organ functions and allostasis in mice. American Journal of Physiology-Gastrointestinal and Liver Physiology. 2008;295(4):G839-G848.
[5] Sapolsky RM, Romero LM, Munck AU. How do glucocorticoids influence stress responses? Integrating permissive, suppressive, stimulatory, and preparative actions. Endocrine Reviews. 2000;21(1):55-89.

"Allostasis" Similar Words

Alloreactive

speak

Alloreactive refers to the immune response of an organism against foreign cells, tissues, or organs from another individual of the same species. It is the reaction of the immune system to recognize and attack alloantigens, which are antigens found on the surface of cells from a different individual. This term is particularly relevant in the context of organ transplants, where the recipient's immune system may recognize the donor's cells as non-self and mount an alloreactive response, potentially leading to transplant rejection.

Allosaur

speak

Allosaurus is a genus of theropod dinosaur that lived during the Late Jurassic period, around 155 to 150 million years ago. It was a carnivorous dinosaur known for its large size, powerful build, and sharp teeth. Allosaurus was one of the top predators of its time and is commonly found in fossil remains in North America.

Allosauridae

speak

Allosauridae is a family of theropod dinosaurs that lived during the Jurassic and Cretaceous periods, around 150 to 145 million years ago. They were carnivorous, bipedal (walking on two legs), and had sharp teeth and powerful jaws. Allosaurids were among the top predators of their time, with some species like Allosaurus being well-known examples. They were characterized by their large size, with some reaching lengths of up to 40 feet (12 meters).

Allosauroidea

speak

Allosauroidea is an extinct group of theropod dinosaurs, which includes the allosaurids and their close relatives. These carnivorous dinosaurs were bipedal (walking on two legs) and had large skulls with sharp teeth. They lived during the Jurassic and Cretaceous periods, around 165 to 145 million years ago. Famous members of this group include Allosaurus, one of the most well-known predatory dinosaurs, and the massive Carcharodontosaurus and Giganotosaurus, which were among the largest meat-eating dinosaurs ever to have existed.

Allosaurs

speak

Allosaurs were a group of large, carnivorous dinosaurs that lived during the late Jurassic period, around 155 to 145 million years ago. They belonged to the family Allosauridae, which is part of the larger theropod group, consisting of bipedal (two-legged) dinosaurs. Allosaurs were characterized by their massive skulls with sharp teeth, strong limbs, and a long tail for balance. They were fierce predators and among the top hunters of their time. The most well-known species is Allosaurus fragilis, found in North America.

Allosaurus

speak

Allosaurus is a genus of theropod dinosaur that lived during the late Jurassic period, around 155 to 150 million years ago. It was a carnivorous dinosaur known for its large size, powerful jaws, and sharp teeth. The name "Allosaurus" means "different lizard," referring to its distinct features compared to other dinosaurs of its time. It was one of the top predators of its era and could grow up to 40 feet (12 meters) long.

Allosome

speak

Allosome refers to a sex chromosome, which is a chromosome that determines the sex of an individual in organisms where sex is determined genetically. In humans, for example, females have two X allosomes, while males have one X and one Y allosome. These chromosomes carry genes responsible for sexual development and differentiation.

Allosphere

speak

The allosphere is a large, spherical structure designed for immersive multimedia experiences. It is a three-story, spherical chamber equipped with advanced audio and visual technology that allows users to interact with 3D sound and visuals in a multi-sensory environment. Developed at the University of California, Santa Barbara, it is used for research, education, and artistic projects in fields such as music, science, and virtual reality. The term "allosphere" combines the Greek roots "allo," meaning other or different, and "sphere," referring to its shape.

Allostatic

speak

Allostatic refers to the process by which an organism maintains stability and adapts to changing conditions by adjusting its internal regulatory mechanisms. It involves the body's dynamic response to stress, involving the modulation of various physiological systems to maintain homeostasis. The term comes from the Greek "allos," meaning other, and "stasis," meaning standing still, implying a state of dynamic balance.

Allosteric

speak

Allosteric refers to a property of certain proteins, particularly enzymes, where a change in one part of the molecule affects the activity or shape of another part. It involves the binding of a molecule (an allosteric regulator) at a site other than the active site, leading to a conformational change that can either enhance or inhibit the protein's function. This mechanism allows for regulation of enzyme activity in response to cellular conditions or the presence of specific molecules.

Allosterically

speak

Allosterically refers to the way a molecule, particularly a protein, can change its shape or conformation in response to the binding of a ligand or another molecule. This change in shape can affect the molecule's activity, often influencing its function in a biological system. It is a key mechanism in enzyme regulation and signal transduction.

Allosterism

speak

Allostery refers to the phenomenon where a molecule, usually a protein, undergoes a conformational change in response to the binding of a ligand or another molecule at a site distinct from its active site. This change in shape can affect the protein's activity, either enhancing or inhibiting its function, and may modulate its interaction with other molecules. It plays a crucial role in regulation of enzymes, receptors, and other biological processes.

Allostery

speak

Allostery refers to the phenomenon in which a change in one part of a protein molecule affects its activity or function in another region. It occurs when a molecule, called an allosteric regulator, binds to a site on the protein distinct from the active site. This binding induces a conformational change in the protein's shape, which in turn modulates the protein's activity, either enhancing or inhibiting its function. Allosteric regulation is a crucial mechanism for cellular control and regulation of enzymes and other proteins.

Allot

speak

The word "allot" can have two different meanings.<br><br>1. To allot something means to assign or distribute it in a certain amount or proportion, often in a formal or official manner. For example: "The government allotted a certain amount of funds for the project." or "The teacher allotted 30 minutes for each student's presentation."<br><br>2. An allotment can also refer to a small plot of land or a portion of a garden that is reserved for a person's personal use, often with the intention of growing one's own food. For example: "After moving to the countryside, John and his family were given an allotment to grow their own fruits and vegetables."<br><br>In both cases, the word "allot" implies a sense of division, distribution, or assignment of something.

Alloted

speak

Allotted means assigned or given a specific amount of something, often as a portion or share. It can also refer to the time or resources that are designated for a particular purpose.

Allotheism

speak

Allotheism refers to the belief in a god or gods that are external to and distinct from the individual or community holding the belief. It contrasts with monotheism, which believes in one all-encompassing deity, and autolatry, which involves worship of oneself. In allotheism, the divine is seen as separate and independent from humanity.