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Hypothalamic Nuclei
Location and function of hypothalamic nuclei
19
Medical
Professional
05/26/2011

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Cards

Term
Nuclei of the Anterior Preoptic Region 
Definition

Lateral Preoptic Nucleus

Medial Preoptic Nucleus 

Term
Nuclei of the Supraoptic Region 
Definition

Lateral Hypothalamic Nucleus

Anterior Nucleus

Suprachiasmatic Nucleus

Paraventricular Nucleus

Supraoptic Nucleus

Term
Nuclei of the Tuberal Region 
Definition

Lateral hypothalamic nucleus

Ventromedial nucleus

Arcuate nucleus

Dorsomedial nucleus

Term
Nuclei of the Posterior Region
Definition

Mammillary bodies 

Posterior nucleus 

Lateral hypothalamic nucleus

Tuberomammillary nucleus 

Term
Lateral preoptic nucleus 
Definition

Promotes non-REM sleep 

Lesion= hyposomnia 

Term
Medial preoptic nucleus
Definition

Controls temperature set-point

Increase secretion of LH, FSH

Controls sexual behavior

Lesion= hyperthermia, amenorrhea, impotence

Term
Lateral Hypothalamic Nucleus
Definition

Feeding Center

Orexin System

Lesion= anorexia, narcolepsy 

Term
Anterior nucleus
Definition

 

Parasympathetics 

Heat dissipation 

Lesion= deficit in PS function, hyperthermia

Term
Suprachiasmatic nucleus
Definition

Control circadian rhythm 

Lesion= disturb cyclic bodily functions

Term
Paraventricular nucleus
Definition

ADH and Oxytocin 

Lesion= Diabetes insipidus, Endocrine deficits 

Term
Supraoptic Nucleus
Definition

ADH and Oxytocin 

Lesion= Diabetes insipidus 

Term
Lateral Hypothalamic Nucleus
Definition

Feeding Center

Orexin System

Lesion= Anorexia, narcolepsy

Term
Ventromedial Nucleus
Definition

Satiety Center

Lesion= Obesity, Hyperphagia 

Term
Arcuate Nucleus
Definition

Increase Dopamine Levels

Inhibit PRL release

Lesion= Neuroendocrine dysfunction

Term
Dorsomedial nucleus
Definition

Control feeding, body weight

Lesion= Feeding, body weight dysfunction

Term
Mammillary Bodies 
Definition

Memory Consolidation

Lesion= Anterograde amnesia

Term
Posterior Nucleus
Definition

Sympathetics 

Generate body heat

Lesion= Horner's Syndrome, Poikilothermia

Term
Tuberomammillary Nucleus
Definition

Histamine system

Promote wakefullness

Lesion= hypersomnia 

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