(New page: {{BioPsy}} {{Infobox Brain| Name = Lateral hypothalamus | Latin = | GraySubject = | GrayPage = | Image = HypothalamicNuclei.PNG | Capt...) |
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MeshName = Lateral+Hypothalamic+Area | |
MeshName = Lateral+Hypothalamic+Area | |
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MeshNumber = A08.186.211.730.385.357.300 | |
MeshNumber = A08.186.211.730.385.357.300 | |
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| + | NeuroLex = Lateral hypothalamus |
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| + | | NeuroLexID = birnlex_4037 | |
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| − | DorlandsSuf = | |
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| + | Dorlands = | |
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| − | The ''' |
+ | The '''lateral hypothalamus''' or '''lateral hypothalamic area''' is a part of the [[hypothalamus]]. |
| + | It includes the [[lateral hypothalamic feeding centre]] which is important in regulating [[appetite]] and [[hunger]]. Damage to this area can cause reduced food intake and [[lateral hypothalamic syndrome]]. Stimulating the lateral hypothalamus causes a desire to eat, while stimulating the [[ventromedial hypothalamus]] causes a desire to stop eating. |
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| − | It is concerned with [[hunger]]. Damage to this can cause reduced food intake. |
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== Function == |
== Function == |
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| − | The [[glucostatic]] explanation is based on the homeostatic theory which indicates that the body has balanced states of equilibrium for each system. When out of balance, the body will be pushed to restore balance. Therefore, when the blood sugar level drops, the glucostatic [[ |
+ | The [[glucostatic]] explanation is based on the homeostatic theory which indicates that the body has balanced states of equilibrium for each system. When out of balance, the body will be pushed to restore balance. Therefore, when the blood sugar level drops, the glucostatic [[receptor (biochemistry)|receptors]] in the blood take a message to the lateral hypothalamus, which is the feeding center of the [[brain]]. This causes certain [[neurons]] in the brain to fire in unison, creating the sensation of hunger. Now the person wants to eat. |
When the [[glucose]] level increases because the person is eating or has eaten, the glucostatic receptors in the blood then send a message to the [[Ventro-medial Hypothalamus]] (the satiety or satisfaction center) and the sensation of fullness occurs. |
When the [[glucose]] level increases because the person is eating or has eaten, the glucostatic receptors in the blood then send a message to the [[Ventro-medial Hypothalamus]] (the satiety or satisfaction center) and the sensation of fullness occurs. |
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| + | |||
| + | Damage to the lateral hypothalamus may lead to a condition known as [[Frölich's syndrome]]. |
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==Lateral zone of hypothalamus== |
==Lateral zone of hypothalamus== |
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| − | The "lateral zone of hypothalamus" is a similarly named compound structure, consisting of the following two structures:<ref>{{BrainInfo|ancil|316}}</ref> |
+ | The "lateral zone of hypothalamus" is a similarly named compound structure, consisting of the following two structures:<ref>{{BrainInfo|ancil|316}}</ref> |
* lateral hypothalamic area |
* lateral hypothalamic area |
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* lateral [[preoptic nucleus]] |
* lateral [[preoptic nucleus]] |
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| − | |||
| − | preoptic nuclei as well as the supraoptic and tuberal nuclei and the nuclei of the mammillary body |
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==References== |
==References== |
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{{Diencephalon}} |
{{Diencephalon}} |
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| − | [[Category: |
+ | [[Category:Hypothalamus]] |
[[Category:Limbic system]] |
[[Category:Limbic system]] |
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| + | |||
| + | {{neuroanatomy-stub}} |
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| + | |||
{{enWP|Lateral hypothalamus}} |
{{enWP|Lateral hypothalamus}} |
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Latest revision as of 09:32, 13 June 2013
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| Brain: Lateral hypothalamus | ||
|---|---|---|
 | ||
| Lateral hypothalamus is 'LT', at right, in yellow. | ||
| [[Image:|250px|center|]] | ||
| Latin | ' | |
| Gray's | subject # | |
| Part of | ||
| Components | ||
| Artery | ||
| Vein | ||
| BrainInfo/UW | hier-409 | |
| MeSH | A08.186.211.730.385.357.300 | |
The lateral hypothalamus or lateral hypothalamic area is a part of the hypothalamus.
It includes the lateral hypothalamic feeding centre which is important in regulating appetite and hunger. Damage to this area can cause reduced food intake and lateral hypothalamic syndrome. Stimulating the lateral hypothalamus causes a desire to eat, while stimulating the ventromedial hypothalamus causes a desire to stop eating.
Function
The glucostatic explanation is based on the homeostatic theory which indicates that the body has balanced states of equilibrium for each system. When out of balance, the body will be pushed to restore balance. Therefore, when the blood sugar level drops, the glucostatic receptors in the blood take a message to the lateral hypothalamus, which is the feeding center of the brain. This causes certain neurons in the brain to fire in unison, creating the sensation of hunger. Now the person wants to eat.
When the glucose level increases because the person is eating or has eaten, the glucostatic receptors in the blood then send a message to the Ventro-medial Hypothalamus (the satiety or satisfaction center) and the sensation of fullness occurs.
Damage to the lateral hypothalamus may lead to a condition known as Frölich's syndrome.
Lateral zone of hypothalamus
The "lateral zone of hypothalamus" is a similarly named compound structure, consisting of the following two structures:[1]
- lateral hypothalamic area
- lateral preoptic nucleus
References
Template:Neuroanatomy-stub
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