telencephalon


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telencephalon

 [tel″en-sef´ah-lon]
1. one of the two divisions of the prosencephalon, consisting of the cerebrum.
2. the anterior of the two vesicles formed by specialization of the prosencephalon in embryonic development. Called also endbrain. adj., adj telencephal´ic.

tel·en·ceph·a·lon

(tel'en-sef'ă-lon), [TA]
The anterior division of the prosencephalon, which develops into the olfactory lobes, the cortex of the cerebral hemispheres, and the subcortical telencephalic nuclei, and the basal nuclei (ganglia), particularly the striatum and the amygdala.
Synonym(s): endbrain
[G. telos, end, + enkephalos, brain]

telencephalon

/tel·en·ceph·a·lon/ (tel″en-sef´ah-lon) endbrain.
1. one of the two divisions of the prosencephalon, composing the cerebrum (q.v.).
2. the anterior of the two vesicles formed by specialization of the prosencephalon in embryonic development; from it the cerebral hemispheres are derived.telencephal´ic

telencephalon

(tĕl′ĕn-sĕf′ə-lŏn′, -lən)
n.
The anterior portion of the forebrain, constituting the cerebral hemispheres and related parts. Also called endbrain.

tel′en·ce·phal′ic (-sə-făl′ĭk) adj.

telencephalon

[tel′ensef′əlon]
Etymology: Gk, telos, end, egekephalos, brain
the paired brain vesicles or endbrain from which the cerebral hemispheres are derived.

telencephalon

The anterior part of the primitive forebrain or prosencephalon, which develops into the cerebral cortex, olfactory bulbs, and basal ganglia.

tel·en·ceph·a·lon

(tel'en-sef'ă-lon) [TA]
The anterior division of the prosencephalon, which develops into the olfactory lobes, the cortex of the cerebral hemispheres, the subcortical telencephalic nuclei, and the basal ganglia (nuclei), particularly the striatum and the amygdala.
Synonym(s): endbrain.
[G. telos, end, + enkephalos, brain]

telencephalon

that part of the forebrain of vertebrates which includes the cerebral hemispheres, the lateral ventricles, part of the HYPOTHALAMUS and part of the third VENTRICLE. see BRAIN.

telencephalon

central nervous system cerebral hemispheres (cerebrum)

telencephalon

[Gr.] endbrain.
1. the paired brain vesicles, which are the anterolateral outpouchings of the forebrain, together with the median, unpaired portion, the terminal lamina of the hypothalamus; from it the cerebral hemispheres are derived.
2. the anterior of the two vesicles formed by specialization of the forebrain in embryonic development.
References in periodicals archive ?
canicula (and other cat shark species) brain was the distinct brain vesicles including an enlarged telencephalon, making its brain structure more similar to that of the amniotes rather than the anamniotes.
In terms of these theories, the fish telencephalon would consist mainly of a subpallium and a very small and primitive paleocortex, both entirely dedicated to sensory functions (particularly olfaction) and with relatively simple neural circuits.
Further studies should examine the intra-network of the goldfish telencephalon.
The distribution of neuropeptides in the dorsomedial telencephalon of the pigeon (Columba livia)--a basis for regional subdivisions.
In the new study, Letinic and Rakic injected a dye into the telencephalon of living tissue slices taken from the brains of 15-to-26-week-old human fetuses, as well as from monkey and mouse fetuses of comparable development.
Studies with goldfish have shown that NMDA receptors are most dense in the telencephalon, and telencephalon ablation impairs avoidance learning.
These bulging hemispheres become the telencephalon.
First ossification of Dentary Premaxilla Maxilla Frontal Jugal Parietal Squamosal Alisphenoid Basioccipital Basisphenoid Exoccipital Periotic Other skeletal elements Membrane bones approach midline Cartilage in basioccipital region Closure of secondary palate First appearance of tooth buds Differentiation of malleus and incus Differentiation of condylar cartilage Joint capsule at dentary-squamosal joint Muscle First alignment of myoblasts (tongue) First appearance of striations Craniofacial muscles distinguishable Central nervous system Evagination of telencephalon Differentiation of pigment in retina Connections between olfactory nerve and epithelium Layering in cortex Swelling of thalamus and hypothalamus Primary lens cells fill lens vesicle
A proposed conceptual reorganization of the basal ganglia and telencephalon.
13,62) In CXCR4 or SDF1 knockout mice, cortical interneurons fail to follow the stereotypic MZ and IZ/SVZ pathways, but rather invade the dorsal telencephalon through the CP.
Agyria and thickening of the grey matter of the telencephalon arise from disturbance of neuronal migration, resulting in structural disorganisation of the neurons that normally form the six cell layers of the brain cortex (AYALA et al.