Brown adipose tissue: Difference between revisions
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'''Brown adipose tissue''' (BAT) | {{DISPLAYTITLE:Brown Adipose Tissue}} | ||
== Brown Adipose Tissue == | |||
[[File:Hibernoma2.jpg|thumb|right|Histological image of brown adipose tissue showing multilocular fat cells.]] | |||
'''Brown adipose tissue''' (BAT), also known as '''brown fat''', is a type of [[adipose tissue]] that is primarily involved in [[thermogenesis]], the process of heat production in organisms. Unlike [[white adipose tissue]], which stores energy in the form of fat, brown adipose tissue is specialized for energy expenditure. | |||
== Structure == | |||
Brown adipose tissue is characterized by its high density of [[mitochondria]], which contain iron-rich [[cytochrome]]s that give the tissue its brown color. The cells in brown adipose tissue, known as [[adipocytes]], are multilocular, meaning they contain multiple small lipid droplets, as opposed to the unilocular adipocytes found in white adipose tissue. | |||
== Function == | == Function == | ||
The primary function of | The primary function of brown adipose tissue is to generate heat through a process known as [[non-shivering thermogenesis]]. This is achieved by the action of [[uncoupling protein 1]] (UCP1), which is present in the inner mitochondrial membrane. UCP1 uncouples the process of [[oxidative phosphorylation]], allowing the energy from [[fatty acid]] oxidation to be released as heat instead of being stored as [[adenosine triphosphate]] (ATP). | ||
== | == Location == | ||
In humans, brown adipose tissue is primarily found in the [[supraclavicular]] and [[paravertebral]] regions, as well as around the [[kidneys]] and [[adrenal glands]]. In [[infants]], brown adipose tissue is more abundant and plays a crucial role in maintaining body temperature. | |||
== Clinical | == Clinical Significance == | ||
Brown adipose tissue has gained significant interest in the field of [[obesity]] and [[metabolic syndrome]] research. The ability of brown fat to burn calories and generate heat makes it a potential target for therapeutic strategies aimed at weight loss and improving [[insulin sensitivity]]. | |||
== | == Related pages == | ||
* [[Adipose tissue]] | * [[Adipose tissue]] | ||
* [[Thermogenesis]] | * [[Thermogenesis]] | ||
* [[ | * [[Mitochondria]] | ||
* [[Obesity]] | * [[Obesity]] | ||
[[Category:Adipose tissue]] | [[Category:Adipose tissue]] | ||
[[Category: | [[Category:Human anatomy]] | ||
Revision as of 11:23, 15 February 2025
Brown Adipose Tissue
Brown adipose tissue (BAT), also known as brown fat, is a type of adipose tissue that is primarily involved in thermogenesis, the process of heat production in organisms. Unlike white adipose tissue, which stores energy in the form of fat, brown adipose tissue is specialized for energy expenditure.
Structure
Brown adipose tissue is characterized by its high density of mitochondria, which contain iron-rich cytochromes that give the tissue its brown color. The cells in brown adipose tissue, known as adipocytes, are multilocular, meaning they contain multiple small lipid droplets, as opposed to the unilocular adipocytes found in white adipose tissue.
Function
The primary function of brown adipose tissue is to generate heat through a process known as non-shivering thermogenesis. This is achieved by the action of uncoupling protein 1 (UCP1), which is present in the inner mitochondrial membrane. UCP1 uncouples the process of oxidative phosphorylation, allowing the energy from fatty acid oxidation to be released as heat instead of being stored as adenosine triphosphate (ATP).
Location
In humans, brown adipose tissue is primarily found in the supraclavicular and paravertebral regions, as well as around the kidneys and adrenal glands. In infants, brown adipose tissue is more abundant and plays a crucial role in maintaining body temperature.
Clinical Significance
Brown adipose tissue has gained significant interest in the field of obesity and metabolic syndrome research. The ability of brown fat to burn calories and generate heat makes it a potential target for therapeutic strategies aimed at weight loss and improving insulin sensitivity.
