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Division of the forebrain around the third ventricle
In the human brain, the diencephalon (or interbrain) is a division of the forebrain (embryonic prosencephalon). It is situated between the telencephalon
Diencephalon
Structure within the brain
the lateral wall of the third ventricle forming the dorsal part of the diencephalon (a division of the forebrain). Nerve fibers project out of the thalamus
Thalamus
Forward-most portion of the brainstem
mesencephalon is the uppermost portion of the brainstem connecting the diencephalon and cerebrum with the pons. It consists of the cerebral peduncles, tegmentum
Midbrain
Brain and spinal cord
balance information from the vestibular organ. The two structures of the diencephalon worth noting are the thalamus and the hypothalamus. The thalamus acts
Central_nervous_system
Posterior part of the brain, adjoining and structurally continuous
is continuous with the thalamus of the diencephalon through the tentorial notch, and sometimes the diencephalon is included in the brainstem. The brainstem
Brainstem
Posterior segment of the diencephalon in the brain
epithalamus (pl.: epithalami) is a posterior (dorsal) segment of the diencephalon. The epithalamus includes the habenular nuclei, the stria medullaris
Epithalamus
Overview of and topical guide to the human nervous system
Spinal cord Gray columns White substance Brain Brainstem Cerebellum Diencephalon Telencephalon Cerebral hemisphere Cranial nerves Olfactory nerve Optic
Outline of the human nervous system
Outline_of_the_human_nervous_system
Set of brain structures involved in emotion and motivation
often relayed to a collection of structures from the telencephalon, diencephalon, and mesencephalon, including the prefrontal cortex, cingulate gyrus
Limbic_system
Diencephalon
List of regions in the human brain
List_of_regions_in_the_human_brain
Gill-bearing non-tetrapod aquatic vertebrates
forebrain to the midbrain is the diencephalon; it works with hormones and homeostasis. The pineal body is just above the diencephalon; it detects light, maintains
Fish
Structure of the brain
The subthalamus or ventral thalamus is a part of the diencephalon. Its most prominent structure is the subthalamic nucleus. The subthalamus connects to
Subthalamus
Forward-most portion of the brain
system. At the five-vesicle stage, the forebrain separates into the diencephalon (thalamus, hypothalamus, subthalamus, and epithalamus) and the telencephalon
Forebrain
Organ central to the nervous system
parts: the forebrain (prosencephalon, subdivided into telencephalon and diencephalon), midbrain (mesencephalon) and hindbrain (rhombencephalon, subdivided
Brain
Area of the brain below the thalamus
thalamus and is part of the limbic system. It forms the basal part of the diencephalon. All vertebrate brains contain a hypothalamus. In humans, it is about
Hypothalamus
Part of the nervous system excluding the brain and spinal cord
second cranial nerve is not a true peripheral nerve but a tract of the diencephalon. Cranial nerve ganglia, as with all ganglia, are part of the PNS. The
Peripheral_nervous_system
Structure within the human brain
system within the mammalian brain. It is a slit-like cavity formed in the diencephalon between the two thalami, in the midline between the right and left lateral
Third_ventricle
Cognitive disorder where memory is disturbed or lost
involved with memory. Research has also shown that when areas of the diencephalon are damaged, amnesia can occur. Recent studies have shown a correlation
Amnesia
Structure of the brain stem
Spinal cord Brain Hindbrain Medulla Pons Cerebellum Midbrain Forebrain Diencephalon Retina Optic nerve Cerebrum Limbic system Peripheral nervous system Somatic
Medulla_oblongata
Part of the embryonic brain
parts (telencephalon, diencephalon, metencephalon, and mesencephalon) that Otx2 and Otx1 protect the caudalization of the diencephalon and mesencephalon into
Metencephalon
Part of the epithalamus
evagination of the pineal organ or as a separate outgrowth of the roof of the diencephalon; during development, it divides into two bilaterally somewhat symmetric
Parietal_eye
When the human brain ceases to make new neurons and stops developing in humans
differentiation resulting in secondary regions like the telencephalon, diencephalon, and metencephalon in subsequent weeks. Structural milestones, including
Timeline of human brain development
Timeline_of_human_brain_development
Endocrine gland in the brain of most vertebrates
however, there may be a "pineal equivalent" structure in the dorsal diencephalon. A few more complex vertebrates have lost pineal glands over the course
Pineal_gland
Cavities within the human brain
the lateral ventricles in the cerebrum, the third ventricle is in the diencephalon of the forebrain between the right and left thalamus, and the fourth
Ventricular_system
Bundle of nerve fibers in the brain
carries some afferent fibers to the hippocampus from structures in the diencephalon and basal forebrain. The fornix is part of the limbic system. While its
Fornix_(neuroanatomy)
Neurodevelopmental disorder
knockout of this gene causes a loss of dopaminergic function in the ventral diencephalon and the fish display a hyperactive/impulsive phenotype. For genetic variation
Attention deficit hyperactivity disorder
Attention_deficit_hyperactivity_disorder
Band of secondary nerve fibers
lemniscus and lateral lemniscus terminate in specific relay nuclei of the diencephalon. The trigeminal lemniscus is sometimes considered as the cephalic part
Lemniscus_(anatomy)
Brain structure in humans and some mammals
passage of the brainstem. The midbrain continues with the thalamus of the diencephalon through the tentorial notch. The tentorial notch is located between the
Tentorial_notch
Psyschological theory
to be displayed after ablation of all brain regions anterior to the diencephalon. However, once the lower posterior portion of the thalamic region was
Cannon–Bard_theory
periaqueductal gray of the mesencephalon (midbrain) near its junction with the diencephalon. It is involved in mediating vertical eye movements. It projects to the
Nucleus_of_Darkschewitsch
Part of the limbic system
They are located on the undersurface of the brain that, as part of the diencephalon, form part of the limbic system. They are located at the ends of the
Mammillary_body
Structure of the basal ganglia of the brain
telencephalon, but retains close functional ties with the subthalamus in the diencephalon – both of which are part of the extrapyramidal motor system. The globus
Globus_pallidus
Large part of the brain containing the cerebral cortex
The prosencephalon develops further into the telencephalon and the diencephalon. The dorsal telencephalon gives rise to the pallium (cerebral cortex
Cerebrum
forward as the future aperture of the pupil. The optic cup is part of the diencephalon and gives rise to the retina of the eye. This article incorporates text
Optic_cup_(embryology)
Medical condition
of the brain most affected by rotational forces are the midbrain and diencephalon. It is thought that the forces from the injury disrupt the normal cellular
Concussion
Part of the eye
originate as outgrowths of the developing brain, specifically the embryonic diencephalon; thus, the retina is considered part of the central nervous system (CNS)
Retina
Bundle of nerve fibers (axons) connecting nuclei of the central nervous system
Projection tracts connect the cerebral cortex with the corpus striatum, diencephalon, brainstem and the spinal cord. The corticospinal tract for example,
Nerve_tract
Neural pathway involved with circadian rhythms
v t e Anatomy of the diencephalon of the human brain Epithalamus Surface Pineal gland Habenula Habenular trigone Habenular commissure Grey matter Pretectal
Retinohypothalamic_tract
Brain precursor structures
vesicles – the prosencephalon is subdivided into the telencephalon and diencephalon, and the rhombencephalon into the metencephalon and myelencephalon. During
Brain_vesicle
Anatomy method to describe locations
medulla oblongata and the spinal cord, and cephalic flexure between the diencephalon and the midbrain), and a dorsal (pontine or rhombic flexure) at the midst
Anatomical_plane
nuclei situated in the mesencephalon (midbrain) at its junction with the diencephalon. It is involved in coordinating head-eye movements (particularly vertical
Nucleus of the posterior commissure
Nucleus_of_the_posterior_commissure
Central organ of the human nervous system
and a posterior diencephalon. The telencephalon gives rise to the cerebral cortex, basal ganglia, and related structures. The diencephalon gives rise to
Human_brain
Conscious subjective experience
sensory, motor, and physiological information all had to pass through the diencephalon (particularly the thalamus), before being subjected to any further processing
Emotion
Endocrine gland of the brain
4 to 8 the posterior pituitary is formed. The infundibulum from the diencephalon elongates downward, forming a stalk that connects with Rathke's pouch
Pituitary_gland
Neoplasm in the brain
diagnosed. The thalamus and hypothalamus are major divisions of the diencephalon, with the pituitary gland and pineal gland attached at the bottom; tumors
Brain_tumor
Rostral part of the solitary nucleus located in the medulla
nucleus of the fish projects to the interior lobe's lateral lobule of the diencephalon, while in the rat, the secondary gustatory nucleus projects to a specific
Gustatory_nucleus
Permanent or temporary loss of long-term memory
associated with episodic and declarative memory such as the hippocampus, the diencephalon, and the temporal lobes. The hippocampus deals largely with memory consolidation
Retrograde_amnesia
Medical condition
develop normally, allowing for the child to be carried to term, but the diencephalon and ocular lobe remain small and underdeveloped. Mesenchyme is formed
Acrania
Combined presence of Wernicke's encephalopathy (WE) and Korsakoff's syndrome
with this syndrome is a result of the atrophy in the structures of the diencephalon (the thalamus, hypothalamus and mammillary bodies), and is similar to
Wernicke–Korsakoff_syndrome
hedgehog (shh) signaling from the ZLI is crucial in the development of the diencephalon, which develops into the thalamus, the pretectum, and the anterior tegmental
Zona_limitans_intrathalamica
Cranial nerve connecting the eye to the brain
peripheral nervous system because it is derived from an out-pouching of the diencephalon (optic stalks) during embryonic development. As a consequence, the fibers
Optic_nerve
Part of the globus pallidus
GABAergic neurons that project axons to the subthalamic nucleus (in the diencephalon), the striatum, internal globus pallidus (GPi) and substantia nigra pars
External_globus_pallidus
Protein-coding gene in the species Homo sapiens
ascending aorta spermatocyte uterus islet of Langerhans midbrain tectum diencephalon neocortex More reference expression data BioGPS n/a Orthologs Species
DDI1
Nerves that emerge directly from the brain
Ciliary, visceral efferent NCCs at forebrain-midbrain junction (caudal diencephalon and the anterior mesencephalon) CNV – trigeminal (mix) Trigeminal, general
Cranial_nerves
Part of the brain where the optic nerves cross
approach the chiasm site. Most RGC axons cross the midline at the ventral diencephalon and continue to the contralateral superior colliculus. The number of
Optic_chiasm
Type of cell within the eye
optic nerve. Vax1, a transcription factor, is expressed by the ventral diencephalon and glial cells in the region where the chiasm is formed, and it may
Retinal_ganglion_cell
Blood vessels
the posterior perforated substance. They supply a large portion of the diencephalon as well as some subcortical telencephalic structures. The thalamoperforating
Central_arteries
Field of sexual orientation research
et al. 2019 Chromosome 13 13q31 SLITRK6 male only Sanders et al. 2017 Diencephalon-associated gene Chromosome 14 14q31 TSHR male only Sanders et al. 2017
Biology and sexual orientation
Biology_and_sexual_orientation
Developmental precursor to the central nervous system
further goes on to develop into the telencephalon (cerebrum) and the diencephalon (the optic vesicles and hypothalamus). The mesencephalon stays as the
Neural_tube
Region of the brain
metathalamus. The thalamencephalon is phylogenetically younger part of the diencephalon than the hypothalamus and neurohypophysis, which are not considered to
Thalamencephalon
Interfaces between the brain and the circulatory system
classification for this gland takes into account its location relative to the diencephalon and the third ventricle of the brain, as well as its size and shape.
Circumventricular_organs
mammillary bodies. It can be considered part of the hypothalamus and diencephalon. The nucleus can be divided into medial and lateral sections. The medial
Supramammillary_nucleus
Blood vessel
through the great cerebral vein. In its absence, the veins from the diencephalon and the basal ganglia drain laterally into the transverse sinus instead
Great_cerebral_vein
Group of subcortical nuclei involved in the motor and reward systems
subdivision Final segments in a human adult Prosencephalon Telencephalon Diencephalon On each side of the brain: the cerebral cortices, caudate, putamen, Globus
Basal_ganglia
Mental illness caused by a lack of thiamine in the brain
thiamine deficiency, alcohol neurotoxicity, or structural damage in the diencephalon. Originally, it was thought that a lack of initiative and a flat affect
Korsakoff_syndrome
Semipermeable capillary interface between blood and the brain
fourth ventricles, capillaries in the pineal gland on the roof of the diencephalon and the pineal gland. The BBB appears to be functional by the time of
Blood–brain_barrier
Medical condition
Diencephalic syndrome Other names Diencephalic syndrome of emaciation The diencephalon, which is affected by diencaphalic syndrome, consists of the thalamus
Diencephalic_syndrome
Mechanisms that form the human nervous system
vesicles – the telencephalon (future cerebral cortex and basal ganglia), diencephalon (future thalamus and hypothalamus), mesencephalon (future colliculi)
Development of the nervous system in humans
Development_of_the_nervous_system_in_humans
Development and formation of the human embryo
cerebral hemispheres (the telencephalon) whilst its basal plate becomes the diencephalon. Finally, the optic vesicle grows to form an optic outgrowth. From the
Human_embryonic_development
Medical condition
syndrome (WKS)—are characterized by substantial volume deficits of the diencephalon structures. In comparison to unaffected, non-alcoholic participants,
Cerebral_atrophy
Condition of abnormally deep sleep or a stupor
disrupts the ascending reticular activating system of the brainstem and diencephalon or that suppresses cortical function bilaterally. Common causes include
Sopor_(sleep)
Support-cells in the nervous system
the gray and white matter combined. The ratio of the basal ganglia, diencephalon and brainstem combined is 11.35. The total number of glial cells in the
Glia
Rate of energy expenditure by an endotherm at rest
regulating metabolism is the hypothalamus. The hypothalamus is located on the diencephalon and forms the floor and part of the lateral walls of the third ventricle
Basal_metabolic_rate
Protein-coding gene in humans
spermatocyte nucleus of brain telencephalic nucleus basal forebrain diencephalon pancreas septal nuclei gland More reference expression data BioGPS More
CCDC70
Study of the form or morphology of fishes
midbrain via the diencephalon (in the diagram, this structure is below the optic lobes and consequently not visible). The diencephalon performs functions
Fish_anatomy
Pressure exerted by fluids inside the skull and on the brain
for a period, occurs because of injury to the cerebral hemispheres or diencephalon. Hyperventilation can occur when the brain stem or tegmentum is damaged
Intracranial_pressure
Region of gray matter cells in the subthalamus below the thalamus
from the zona incerta back to the cerebral cortex. Diencephalon Projections with the diencephalon are reciprocal and mainly to the thalamus such as the
Zona_incerta
Health effects of long-term alcohol consumption
syndrome. Lesions, or brain abnormalities, are typically located in the diencephalon which result in anterograde and retrograde amnesia, or memory loss. Excessive
Long-term_effects_of_alcohol
Type of long-term human memory
general knowledge, and not for specific information. The regions of the diencephalon have shown brain activation when a remote memory is being recovered and
Explicit_memory
Impairment in the clarity of consciousness
if the size of [a brain lesion] affects other cortical areas or the diencephalon" or if the lesion is exceptionally large. 1916 research by Romanian-Viennese
Clouding_of_consciousness
Medical condition
needed] Lesions are usually symmetrical in the periventricular region, diencephalon, the midbrain, hypothalamus, and cerebellar vermis. Brainstem lesions
Wernicke_encephalopathy
Posterior lobe of the pituitary gland
pituitary gland Details Precursor Neural tube (downward-growth of the diencephalon) Artery Inferior hypophyseal artery Vein Hypophyseal vein Identifiers
Posterior_pituitary
situated in the rostral mesencephalon (midbrain) near its junction with the diencephalon, and consist of: Interstitial nucleus of Cajal Rostral interstitial nucleus
Accessory_oculomotor_nuclei
Acute inflammation diseases of the optic nerve and spinal cord
depression, may be underdiagnosed sequalae). Lesions may also affect the diencephalon, mostly in Aquaporin-4–Immunoglobulin-G (AQP4-IgG) NMOSD. Signs and symptoms
Neuromyelitis optica spectrum disorder
Neuromyelitis_optica_spectrum_disorder
Axons that connect cortical areas within the same cerebral hemisphere
fibres, which connect the cerebral cortex with the corpus striatum, diencephalon, brain stem and the spinal cord. Gahm, JK; Shi, Y (2019). "Surface-based
Association_fiber
Part of the olfactory system
E.; Grant, L.D., eds. (23 July 1976). "Olfactory Projections to the Diencephalon". Anatomical Neuroendocrinology: Based on the International Conference
Olfactory_tract
Terminology used to describe the central and peripheral nervous systems
90°. This is considered to occur at the junction of the midbrain and diencephalon (the midbrain-diencephalic junction). Thus, the terminology changes at
Anatomical terms of neuroanatomy
Anatomical_terms_of_neuroanatomy
Posterior region of the embryonic hindbrain
Amygdala, Hippocampus, Cerebrum(Cortex), Basal Ganglia, Lateral ventricles Diencephalon Epithalamus, Thalamus, Hypothalamus, Subthalamus, Pituitary, Pineal,
Myelencephalon
Bistratified cell, Giant retina ganglion cells, Photosensitive ganglion cell) → Diencephalon: P cell, M cell, K cell, Muller glia Other Macula Perifoveal area Parafoveal
Pars_plana
Medical condition
established at the boundary between the telencephalon (brown) and the diencephalon (green). (B) Optic vesicles bilaterally protrude from either side of
Sclerocornea
Axis of the central nervous system
animals, have a bend in the neuraxis between the brain stem and the diencephalon, along with a bend in the neck, so that the eyes and the face are oriented
Neuraxis
Blood vessel
just superior to the uncus. It serves structures in the prosencephalon, diencephalon, and mesencephalon: choroid plexus of the lateral ventricle and third
Anterior_choroidal_artery
Loss of short-term memory
from the hippocampus to the structures of the limbic system and the diencephalon. The patient in this case did not show any disconnection syndrome, which
Anterograde_amnesia
Pharmaceutical compound
Desirix affects the mechanisms of glutamate neuronal transmission in the diencephalon and possibly in the prefrontal cortex. "Delving into the Latest Updates
Orenetide
Medical condition
develops in the third week of embryogenesis from interactions between the diencephalon part of the brain and the nasal cavity. The brain cells secrete FGF-8
Hypopituitarism
State of being awoken
part of the posterior midbrain and anterior pons, continues into the diencephalon, and then divides into two parts reaching the thalamus and hypothalamus
Arousal
Effect of alcohol consumption on the brain
individuals. Lesions, or brain abnormalities, are typically located in the diencephalon which result in anterograde and retrograde amnesia, or memory loss. Alcohol
Long-term impact of alcohol on the brain
Long-term_impact_of_alcohol_on_the_brain
All Latin and Greek roots beginning with G
cephalic, cephalomancy, cephalometry, cephalon, cephalopagus, cephalopod, diencephalon, dolichocephalic, encephalitis, encephalogram, encephalopathy, holoprosencephaly
List of Greek and Latin roots in English/A–G
List_of_Greek_and_Latin_roots_in_English/A–G
Swiss physiologist (1881–1973)
retirement in 1951. In the 1930s, he began mapping the parts of the diencephalon that control the internal organs using cats. This research won him the
Walter_Rudolf_Hess
Class of jawless fish
the head. The brain of the lamprey is divided into the telencephalon, diencephalon, midbrain, cerebellum, and medulla. Lampreys have been described as the
Lamprey
Spinal trigeminal nucleus
part of the posterior midbrain and anterior pons, continues into the diencephalon, and then divides into two parts reaching the thalamus and hypothalamus
Reticular_formation
DIENCEPHALON
DIENCEPHALON
DIENCEPHALON
DIENCEPHALON
Girl/Female
Tamil
Gods obligation, Gift
Boy/Male
Indian, Tamil
Being Extreme
Male
Arthurian
, knight of the Stranger Beast.
Male
Italian
Italian form of Latin Paulus, PAOLO means "small."
Boy/Male
Hindu, Indian
Thought; Tension
Girl/Female
British, English, French
Wealthy Defender
Boy/Male
Indian
Well spoken
Boy/Male
Tamil
The Sun
Girl/Female
Hindu, Indian, Traditional
Bird
Girl/Female
Hindu, Indian
Distinguished
DIENCEPHALON
DIENCEPHALON
DIENCEPHALON
DIENCEPHALON
DIENCEPHALON
n.
The segment of the brain next in front of the midbrain, including the thalami, pineal gland, and pituitary body; the diencephalon; the interbrain.
n.
The interbrain or thalamencephalon; -- sometimes abbreviated to dien. See Thalamencephalon.