Taenia thalami

Last updated November 04, 2025

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Taenia thalami
Mesal aspect of a brain sectioned in the median sagittal plane (taenia thalami labeled at upper right)
Details
Identifiers
Latin	taenia thalami
NeuroNames	448
TA98	A14.1.08.105
TA2	5785
FMA	78461
Anatomical terms of neuroanatomy [ edit on Wikidata]

In the front, superior surface of the thalamus but separate from the inner, medial surface by a salient margin is the taenia thalami (Latin for "flat band" of the thalamus). The bottom epithelial lining of the third ventricle is in between the tela choroidea and the taenia thalami.

References

This article incorporates text in the public domain from page 809 of the 20th edition of Gray's Anatomy (1918)

Anatomy of the diencephalon of the human brain

Epithalamus

Surface	Pineal gland Habenula Habenular trigone Habenular commissure
Grey matter	Pretectal area Habenular nuclei Subcommissural organ

Thalamus

Surface	Stria medullaris Thalamic reticular nucleus Taenia thalami
Grey matter/ nuclei	paired: AN Ventral VA/VL VP/VPM/VPL Lateral LD LP Pulvinar nuclei Metathalamus MG LG P cell M cell K cell midline: MD Intralaminar Centromedian Midline nuclear group Interthalamic adhesion
White matter	Mammillothalamic tract Pallidothalamic tracts Ansa lenticularis Lenticular fasciculus Thalamic fasciculus DCML Medial lemniscus Trigeminal lemniscus Spinothalamic tract Lateral lemniscus Dentatothalamic tract Acoustic radiation Optic radiation Subthalamic fasciculus Ventral trigeminal tract Medullary laminae

Hypothalamus

Surface

Grey matter

Autonomic zones	Anterior (parasympathetic/heat loss) Posterior (sympathetic/heat conservation)
Endocrine	posterior pituitary: Paraventricular Magnocellular neurosecretory cell Parvocellular neurosecretory cell Supraoptic oxytocin/vasopressin other: Arcuate (dopamine/GHRH) Preoptic (GnRH) Suprachiasmatic (melatonin)
Emotion	Lateral Ventromedial Dorsomedial

White matter

afferent
efferent
- Mammillothalamic tract
- Dorsal longitudinal fasciculus

Pituitary

Posterior is diencephalon, but anterior is glandular

Subthalamus

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