Epithalamus


































Epithalamus

Epithalamus.png

Mesial aspect of a brain sectioned in the median sagittal plane. Epithalamus labeled in red, by 'habenular commissure', 'pineal body', and 'posterior commissure', with its projection anteriorly consisting stria medullaris

Details
Identifiers
Latin epithalamus
MeSH D019261
NeuroNames 292

NeuroLex ID		 birnlex_1710
TA
A14.1.08.002
A14.1.08.501
FMA 62009

Anatomical terms of neuroanatomy
[edit on Wikidata]


The epithalamus is a (dorsal) posterior segment of the diencephalon. The diencephalon is a part of the forebrain that also contains the thalamus, the hypothalamus and pituitary gland.[1]
The epithalamus includes the habenula and their interconnecting fibers, the habenular commissure, the stria medullaris and the pineal gland.




Contents






  • 1 Functions


  • 2 Components


  • 3 References


  • 4 External links


  • 5 See also





Functions


The function of the epithalamus is to connect the limbic system to other parts of the brain. Some functions of its components include the secretion of melatonin and secretion of hormones from pituitary gland by the pineal gland (involved in circadian rhythms), and regulation of motor pathways and emotions.



Components


The epithalamus comprises the habenular trigone, the pineal gland, and the habenular commissure. It is wired with the limbic system and basal ganglia.


Species that possess a photoreceptive parapineal organ show asymmetry in the epithalamus at the habenula, to the left (dorsal).[2]



References





  1. ^ Klein, Stephen B.; Thorne, B. Michael (Oct 3, 2006). Biological Psychology. Macmillan. p. 579..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}


  2. ^ Concha, ML; Wilson, SW (2001). "Asymmetry in the epithalamus of vertebrates". J. Anat. 199 (1–2): 63–84.




External links



  • https://web.archive.org/web/20080504165606/http://isc.temple.edu/neuroanatomy/lab/atlas/pdhn/


  • NIF Search - Epithalamus via the Neuroscience Information Framework



See also










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