Anterior hypothalamic nucleus

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Brain: Anterior hypothalamic nucleus

Anterior hypothalamic nucleus is 'AH', at center left, in blue.
Latin	nucleus anterior hypothalami
NeuroNames	hier-369
MeSH	Anterior+hypothalamic+nucleus
NeuroLex ID	birnlex_1226

The anterior hypothalamic nucleus is a nucleus of the hypothalamus.

Its function is thermoregulation (cooling) of the body. Damage or destruction of this nucleus causes hyperthermia.

The anterior hypothalamus plays a role in regulating sleep.^[1]

The anterior hypothalamic region is sometimes grouped with the preoptic area.^[2]

References

^ Deschenes CL, McCurry SM (February 2009). "Current treatments for sleep disturbances in individuals with dementia". Curr Psychiatry Rep 11 (1): 20–6. PMC 2649672. PMID 19187704. //www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=2649672.
^ Onoe H, Watanabe Y, Ono K, Koyama Y, Hayaishi O (July 1992). "Prostaglandin E2 exerts an awaking effect in the posterior hypothalamus at a site distinct from that mediating its febrile action in the anterior hypothalamus". J. Neurosci. 12 (7): 2715–25. PMID 1613554. http://www.jneurosci.org/cgi/pmidlookup?view=long&pmid=1613554.

External links

NIF Search - Anterior nucleus of hypothalamus via the Neuroscience Information Framework

Human brain: diencephalon (TA A14.1.08, GA 9.807)

Epithalamus

Surface	Pineal body · Habenula · Habenular trigone · Habenular commissure

Grey matter	Pretectal area · Habenular nuclei · Subcommissural organ

Thalamus

Surface	Stria medullaris of thalamus · Thalamic reticular nucleus · Taenia thalami

Grey matter/ nuclei	paired: AN · Ventral (VA/VL, VP/VPM/VPL) · Lateral (LD, LP, Pulvinar nuclei) · Metathalamus (MG, LG) midline: MD · Intralaminar (Centromedian) · Midline nuclear group · Interthalamic adhesion

White matter	Mammillothalamic fasciculus · Pallidothalamic tracts (Ansa lenticularis, Lenticular fasciculus, Thalamic fasciculus) · PCML (Medial lemniscus, Trigeminal lemniscus) · Spinothalamic tract · Lateral lemniscus · Dentatothalamic tract · Acoustic radiation · Optic radiation · Subthalamic fasciculus · Anterior trigeminothalamic tract Medullary laminae

Hypothalamus

Surface

Median eminence/Tuber cinereum · Mammillary body · Infundibulum

Grey matter

Autonomic zones	Anterior (parasympathetic/heat loss) · Posterior (sympathetic/heat conservation)

Endocrine	posterior pituitary: Paraventricular (magnocellular, parvocellular)/Supraoptic (oxytocin/vasopressin) other: Arcuate (dopamine/GHRH) · Preoptic (GnRH) · Suprachiasmatic (melatonin)

Emotion	Lateral · Ventromedial · Dorsomedial

White matter

afferent (SN → Medial forebrain bundle) · efferent (Mammillothalamic fasciculus → AN, Stria terminalis → Amygdala, Dorsal longitudinal fasciculus → SC)

Pituitary

Posterior is diencephalon, but anterior is glandular

Subthalamus

Subthalamic nucleus · Zona incerta

Ventricular system:
Third ventricle

recesses: (Optic recess, Infundibular recess, Suprapineal recess, Pineal recess)

Hypothalamic sulcus · Tela chorioidea of third ventricle

Subfornical organ

Apertures: Interventricular/Monro

Posterior commissure

M: CNS

anat(n/s/m/p/4/e/b/d/c/a/f/l/g)/phys/devp

noco(m/d/e/h/v/s)/cong/tumr, sysi/epon, injr

proc, drug(N1A/2AB/C/3/4/7A/B/C/D)

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