diencephalon


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di·en·ceph·a·lon

 (dī′ĕn-sĕf′ə-lŏn′, -lən)
n.
The posterior part of the forebrain that connects the midbrain with the cerebral hemispheres, encloses the third ventricle, and contains the thalamus and hypothalamus. Also called betweenbrain, interbrain.


di·en·ce·phal′ic (-sə-făl′ĭk) adj.

diencephalon

(ˌdaɪɛnˈsɛfəˌlɒn)
n, pl -la (-lə)
(Anatomy) the part of the brain that includes the basal ganglia, thalamus, hypothalamus, and associated areas
diencephalic adj

di•en•ceph•a•lon

(ˌdaɪ ɛnˈsɛf əˌlɒn)

n., pl. -lons, -la (-lə).
the posterior section of the forebrain including the thalami and hypothalamus.
[1880–85; di-3 + encephalon]
di`en•ce•phal′ic (-səˈfæl ɪk) adj.

diencephalon

The “between brain” area of the forebrain between the midbrain and cerebral hemispheres. It includes the thalamus and the hypothalamus.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.diencephalon - the posterior division of the forebraindiencephalon - the posterior division of the forebrain; connects the cerebral hemispheres with the mesencephalon
corpus mamillare, mamillary body, mammillary body - one of two small round structures on the undersurface of the brain that form the terminals of the anterior arches of the fornix
infundibulum - any of various funnel-shaped parts of the body (but especially the hypophyseal stalk)
pineal eye, third eye - a sensory structure capable of light reception located on the dorsal side of the diencephalon in various reptiles
neural structure - a structure that is part of the nervous system
nervus opticus, optic nerve, optic tract, second cranial nerve - the cranial nerve that serves the retina
hypophysis, pituitary, pituitary body, pituitary gland - the master gland of the endocrine system; located at the base of the brain
forebrain, prosencephalon - the anterior portion of the brain; the part of the brain that develops from the anterior part of the neural tube
basal ganglion - any of several masses of subcortical grey matter at the base of each cerebral hemisphere that seem to be involved in the regulation of voluntary movement
thalamus - large egg-shaped structures of grey matter that form the dorsal subdivision of the diencephalon
hypothalamus - a basal part of the diencephalon governing autonomic nervous system
Translations

di·en·ceph·a·lon

n. diencéfalo, parte del cerebro.
References in periodicals archive ?
SLITRK6 is especially active in the diencephalon, an area in the brain that includes the hypothalamus, which is "a region previously reported as differing in size in men by sexual orientation," the study notes.
The second section details neuroanatomy, including the histology of nerve and glial cells, the autonomic nervous system, meninges of the brain and spinal cord, the ventricular system and cerebrospinal fluid, the telencephalon, the diencephalon, the brainstem, the cerebellum, blood vessels, the spinal cord, sectional anatomy of the brain, and functional systems.
Patients with pituitary cancers frequently show behavior alterations arising from upward extension of the tumor to other structures, especially those in the diencephalon, commonly noted in patients with craniopharyngioma.
McKee noted neuropathological features of CTE include "generalized atrophy of the cerebral cortex, medial temporal lobe, diencephalon and mammillary bodies with enlarged ventricles; cavum septum pellucidum, often with fenestrations; extensive p-tau-immunoreactive neurofibrillary tangles and astrocytic tangles in the frontal and temporal cortices, particularly around small cerebral vessels and at the depths of cerebral sulci; extensive p-tau- immunoreactive neurofibrillary tangles in limbic regions, diencephalon and brainstem nuclei; extensive degeneration of axons and white matter fibre bundles; TAR DNA-binding protein 43 (TDP-43) immunoreactive intraneuronal and intraglial inclusions and neurites in most cases and a relative absence of amyloid-[beta] peptide deposits.
5), the sensory deficit in stroke patients is related to the disruption of an ascending protection pathway transmitting sensory information from the laryngopharynx mucosa to the diencephalon and cortex.
Anti-Ma2 encephalitis differs from typical paraneoplastic limbic encephalitis for most patients developed combination of the limbic system, diencephalon or brainstem encephalitis.
In most cadaveric dissection, Liliequist's membrane was composed of two distinct leaves: A diencephalic leaf directed toward the diencephalon (separated chiasmatic and interpeduncular cisterns) and a mesencephalic leaf directed toward the mesencephalon (separated interpeduncular and prepontine cisterns).
For example, shorter palpebral fissures predict volume reductions in the bilateral ventral diencephalon, a thinner anterior corpus callosum, and a thicker right inferior frontal cortex.
The virus was almost always detected in the spinal cord (93%) and the neopallium (87%); often in the midbrain (83%) and pons (67%); and about half the time in the diencephalon, cerebellum, and paleopallium.
In all vertebrates studied, apart from mouse, the medial longitudinal fascicle (MLF) forms first, from a cluster of neurones in the basal diencephalon.
Deteriorating level of consciousness as the blood supply of the diencephalon and midbrain perforating vessels is compromised