Definition of thalamus in English:

thalamus

Line breaks: thal|amus
Pronunciation: /ˈθaləməs
 
/

noun (plural thalami /-mʌɪ, -miː/)

Anatomy
  • Either of two masses of grey matter lying between the cerebral hemispheres on either side of the third ventricle, relaying sensory information and acting as a centre for pain perception.
    More example sentences
    • Peripheral injury results in anatomic and physiologic changes within the dorsal horn, sensory thalamus and cerebral cortex.
    • The sleep cycle is controlled by a complex system of neurones (messenger cells) in the brain stem, thalamus, hypothalamus, and basal forebrain.
    • By contrast, reduced activation in the mesencephalic brainstem and the thalamus was noted to be exclusively associated with mental relaxation.

Derivatives

thalamic

Pronunciation: /θəˈlamɪk, ˈθaləmɪk/
adjective
More example sentences
  • An extensive accumulation of axons connecting various thalamic nuclei to practically all cortical areas is seen in fan-like array and this, in three dimensions, reflects the profusion of the thalamic radiations.
  • Computed tomography of the brain demonstrated an area of low attenuation in the left thalamic region.
  • During sustained hypoxia, increased thalamic gating may decrease respiratory sensory projections to higher centers.

Origin

late 17th century (denoting the part of the brain at which a nerve originates): via Latin from Greek thalamos.

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