同: 乳頭体視床束

WordNet

a brief treatise on a subject of interest; published in the form of a booklet (同)pamphlet
an extended area of land (同)piece of land, piece of ground, parcel of land, parcel
a system of body parts that together serve some particular purpose
a drawing created by superimposing a semitransparent sheet of paper on the original image and copying on it the lines of the original image (同)trace
the act of drawing a plan or diagram or outline
the discovery and description of the course of development of something; "the tracing of genealogies"

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広大な土地(地域),(土地・海・空などの)広がり《+of+名》 / (器官の)管,(神経の)索
(おもに宗教・政治などの宣伝用の)小冊子,パンフレット
跡を追うこと,追跡;透写,複写 / 〈C〉 / 透写(複写)によってできたもの(地図・図案など),透写図

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2014/05/22 16:36:35」(JST)

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The mammillothalamic fasciculus (mammillothalamic tract, thalamomammillary fasciculus, bundle of Vicq d’Azyr) arises from cells in both the medial and lateral nuclei of the mammillary body and by fibers that are directly continued from the fornix.

The mammillothalamic fasciculus then connects the mammillary body to the dorsal tegmental nuclei, the ventral tegmental nuclei, and the anterior thalamic nucleus ^[1]

Anatomy

The mammillothalamic tract was first described by the French physician, Félix Vicq d'Azyr, from which it takes its alternate name (The Bundle of Vicq d'Azyr).

There axons divide within the gray matter; the coarser branches pass into the anterior nucleus of the thalamus as the bundle of Vicq d’Azyr, the finer branches pass downward as the mammillo-tegmental bundle of Gudden. This might be identical to the hypothalamotegmental tract.

The bundle of Vicq d’Azyr spreads out fan-like as it terminates in the anterior or dorsal nucleus of the thalamus.

A few of the fibers pass through the dorsal nucleus to the angular nucleus of the thalamus. ("The term 'angular thalamic nucleus' refers to a group of cells ventral to the lateral dorsal nucleus in the mouse."^[2])

The axons from these nuclei are supposed to form part of the thalamocortical system.

Clinical significance

Infarction has been associated with Korsakoff's syndrome.^[3]

References

^ Haines, DE. (2003) Neuroanatomy: Atlas of Structures, Sections, and Systems, 6th ed. Lippincott Williams & Wilkins. p232
^ NeuroNames. Angular Thalamic Nucleus --> "What, Where and How Big is It?" BrainInfo. Accessed January 25, 2011.
^ Yoneoka Y, Takeda N, Inoue A, et al. (2004). "Acute Korsakoff syndrome following mammillothalamic tract infarction". AJNR Am J Neuroradiol 25 (6): 964–8. PMID 15205131.

External links

NeuroNames ancil-115 - "mammillothalamic tract"
- NeuroNames hier-407 - "mammillothalamic tract of hypothalamus"
- NeuroNames hier-356 - "mammillothalamic tract of thalamus"
http://isc.temple.edu/neuroanatomy/lab/atlas/dan2/

This article incorporates text from a public domain edition of Gray's Anatomy.

This anatomy article is a stub. You can help Wikipedia by expanding it.

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English Journal

Dismantling the Papez circuit for memory in rats.

Vann SD.SourceSchool of Psychology , Cardiff University , Cardiff , United Kingdom.
eLife.Elife.2013 Jun 25;2:e00736. doi: 10.7554/eLife.00736. Print 2013.
Over the last 50 years, anatomical models of memory have repeatedly highlighted the hippocampal inputs to the mammillary bodies via the postcommissural fornix. Such models downplay other projections to the mammillary bodies, leaving them largely ignored. The present study challenged this dominant vi
PMID 23805381

Hypothalamic and basal ganglia projections to the posterior thalamus: Possible role in modulation of migraine headache and photophobia.

Kagan R, Kainz V, Burstein R, Noseda R.SourceDepartment of Molecular and Cellular Biology, Harvard College, Harvard University, Cambridge, MA, USA.
Neuroscience.Neuroscience.2013 Jun 25. pii: S0306-4522(13)00519-8. doi: 10.1016/j.neuroscience.2013.06.014. [Epub ahead of print]
Migraine attacks are typically described as unilateral, throbbing pain that is usually accompanied by nausea, vomiting, and exaggerated sensitivities to light, noise and smell. The headache phase of a migraine attack is mediated by activation of the trigeminovascular pathway; a nociceptive pathway t
PMID 23806720

MRI atlas of the human hypothalamus.

Baroncini M, Jissendi P, Balland E, Besson P, Pruvo JP, Francke JP, Dewailly D, Blond S, Prevot V.SourceInserm, Jean-Pierre Aubert Research Center, U837, Development and Plasticity of the postnatal Brain, Univ Lille Nord de France, CHRU Lille, Department of Neurosurgery, Lille University Hospital, 59037 Lille cedex, France. marc.baroncini@inserm.fr
NeuroImage.Neuroimage.2012 Jan 2;59(1):168-80. doi: 10.1016/j.neuroimage.2011.07.013. Epub 2011 Jul 14.
Gaining new insights into the anatomy of the human hypothalamus is crucial for the development of new treatment strategies involving functional stereotactic neurosurgery. Here, using anatomical comparisons between histology and magnetic resonance images of the human hypothalamus in the coronal plane
PMID 21777680