Anatomy. the middle part of the diencephalon through which sensory impulses pass to reach the cerebral cortex.
Botany. a receptacle or torus.
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- tha·lam·ic [thuh-lam-ik], /θəˈlæm ɪk/, adjective
- tha·lam·i·cal·ly, adverb
- post·tha·lam·ic, adjective
- sub·tha·lam·ic, adjective
- trans·tha·lam·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use thalamus in a sentence
This pathway leads from the hippocampus—a brain region that controls learning and memory—to the thalamus, which acts as a sort of sensory information relay station in the brain.Eight ways scientists are unwrapping the mysteries of the human brain | Hannah Thomasy | August 25, 2021 | MIT Technology Review
The thalamus sits in the center of the brain and processes information from the senses before sending relevant signals up to the cortex.
Then Preller and colleagues did a more targeted study, using fMRI data to look for changes in functional connectivity between the thalamus and the cortex.
Researchers have long hypothesized that psychedelics may cause the thalamus to function less effectively, says Preller.
In the predictive processing model, signals going down from the cortex to the thalamus would represent predictions, and signals flowing up to the cortex would represent errors.
Ganglia geniculata are found for the first time in connexion with the optic tracts in the lower part of the thalamus.
The cerebellum is a subsequent outgrowth from the medulla, as is the cerebrum and olfactive166 lobes from the thalamus.Evolution | Joseph Le Conte
These serve as nectaries, s, the whorl of stamens inserted on the thalamus and surrounding the pistil.
The thalamus and corpus striatum are called together, the great inferior ganglion of the brain.Buchanan's Journal of Man, May 1887 | Various
The optic thalamus is indicated in the engraving, but the corpus striatum, being more exterior and anterior, does not appear.Buchanan's Journal of Man, May 1887 | Various
British Dictionary definitions for thalamus
either of the two contiguous egg-shaped masses of grey matter at the base of the brain
both of these masses considered as a functional unit
the receptacle or torus of a flower
- thalamic (θəˈlæmɪk), adjective
- thalamically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for thalamus
The part of the vertebrate brain that lies at the rear of the forebrain. It relays sensory information to the cerebral cortex and regulates the perception of touch, pain, and temperature.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for thalamus
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.