Definition of thalamus in English:

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thalamus

Pronunciation: /ˈθaləməs/

noun (plural thalami /ˈθaləmʌɪ/ /ˈθaləmiː/)

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.
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
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.

Words that rhyme with thalamus

calamus, hypothalamus

For editors and proofreaders

Line breaks: thal|amus

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