Lateral hypothalamus
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| Brain: Lateral hypothalamus | ||
|---|---|---|
| Lateral hypothalamus is 'LT', at right, in yellow. | ||
| NeuroNames | hier-409 | |
| MeSH | Lateral+Hypothalamic+Area | |
The Lateral hypothalamus or lateral hypothalamic area is a part of the hypothalamus.
It is concerned with hunger. Damage to this can cause reduced food intake.
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.
Lateral zone of hypothalamus
The "lateral zone of hypothalamus" is a similarly named compound structure, consisting of the following two structures:[1][1]
- lateral hypothalamic area
- lateral preoptic nucleus
preoptic nuclei as well as the supraoptic and tuberal nuclei and the nuclei of the mammillary body
References
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
