Fasciculus retroflexus: Difference between revisions

General Information
Latin	fasciculus retroflexus
Greek
TA98
TA2
FMA
Details
System	Nervous system
Artery
Vein
Nerve
Lymphatic drainage
Precursor
Function
Identifiers
Clinical significance
Notes

Latest revision as of 04:26, 29 December 2024

The fasciculus retroflexus, also known as the habenulointerpeduncular tract, is a bundle of nerve fibers in the brain. It is part of the epithalamus and connects the habenula to the interpeduncular nucleus.

Structure[edit]

The fasciculus retroflexus is a slender tract of white matter that originates in the habenula, a small structure located near the thalamus. It descends through the midbrain to reach the interpeduncular nucleus, which is situated between the cerebral peduncles.

Function[edit]

The fasciculus retroflexus plays a role in the modulation of dopaminergic and serotonergic systems. It is involved in the regulation of mood, reward, and pain. The tract is also implicated in the processing of olfactory information and circadian rhythms.

Clinical significance[edit]

Damage or dysfunction of the fasciculus retroflexus can be associated with various neurological disorders. It has been studied in relation to depression, schizophrenia, and substance abuse.

References[edit]

External links[edit]

Fasciculus retroflexus on WikiMD

@@ Line 1: / Line 1: @@
-'''Fasciculus retroflexus''' (also known as the '''habenulointerpeduncular tract''') is a significant pathway in the brain, primarily involved in the regulation of the monoamine system. It is a part of the [[Dorsal diencephalic conduction system]] and plays a crucial role in various physiological functions, including pain processing, reproductive behavior, and learning.
-== Anatomy ==
+{{Infobox anatomy
-The fasciculus retroflexus originates in the [[Habenula]], a small region located in the dorsal part of the [[Diencephalon]]. From there, it projects to the [[Interpeduncular nucleus]] located in the midbrain. This tract is bilateral, meaning it exists on both sides of the brain.
+| Name         = Fasciculus retroflexus
+| Latin        = fasciculus retroflexus
+| Image        = <!-- Image file name -->
+| Caption      = <!-- Image caption -->
+| System       = [[Nervous system]]
+| Part of      = [[Brain]]
+| Artery       = <!-- Artery name -->
+| Vein         = <!-- Vein name -->
+| Nerve        = <!-- Nerve name -->
+| Lymph        = <!-- Lymph name -->
+}}
-[[File:Fasciculus retroflexus.png|thumb|right|250px|Fasciculus retroflexus in the human brain]]
+The '''fasciculus retroflexus''', also known as the '''habenulointerpeduncular tract''', is a bundle of [[nerve fibers]] in the [[brain]]. It is part of the [[epithalamus]] and connects the [[habenula]] to the [[interpeduncular nucleus]].
+== Structure ==
+The fasciculus retroflexus is a slender tract of [[white matter]] that originates in the [[habenula]], a small structure located near the [[thalamus]]. It descends through the [[midbrain]] to reach the interpeduncular nucleus, which is situated between the [[cerebral peduncles]].
 == Function ==
-The fasciculus retroflexus is primarily involved in the regulation of the [[Monoamine neurotransmitter]] system, which includes neurotransmitters like [[Dopamine]], [[Serotonin]], and [[Norepinephrine]]. These neurotransmitters play a crucial role in mood regulation, reward, and motivation.
+The fasciculus retroflexus plays a role in the modulation of [[dopaminergic]] and [[serotonergic]] systems. It is involved in the regulation of [[mood]], [[reward]], and [[pain]]. The tract is also implicated in the processing of [[olfactory]] information and [[circadian rhythms]].
-The fasciculus retroflexus also plays a role in pain processing, reproductive behavior, and learning. It is thought to be involved in the pathophysiology of various psychiatric disorders, including [[Depression]], [[Schizophrenia]], and [[Substance abuse]].
 == Clinical significance ==
-Due to its involvement in the regulation of mood and motivation, abnormalities in the fasciculus retroflexus have been implicated in various psychiatric disorders. For example, alterations in this tract have been observed in patients with depression and schizophrenia. Furthermore, it is thought to play a role in the development of addiction, as it is involved in the regulation of reward and motivation.
+Damage or dysfunction of the fasciculus retroflexus can be associated with various [[neurological disorders]]. It has been studied in relation to [[depression]], [[schizophrenia]], and [[substance abuse]].
 == See also ==
 * [[Habenula]]
 * [[Interpeduncular nucleus]]
-* [[Diencephalon]]
+* [[Epithalamus]]
-* [[Monoamine neurotransmitter]]
+* [[White matter]]
 == References ==
-<references />
+{{Reflist}}
-{{anatomy-stub}}
+== External links ==
+* [https://www.wikimd.com/wiki/Fasciculus_retroflexus Fasciculus retroflexus on WikiMD]
 [[Category:Neuroanatomy]]
-[[Category:Neuroscience]]
+[[Category:White matter tracts]]
-[[Category:Psychiatry]]
+[[Category:Brain]]
-[[Category:Neurology]]