thalamus [ thal- uh-m uh s ] SHOW IPA / ˈθæl ə məs / PHONETIC RESPELLING EXAMPLES | WORD ORIGIN noun, plural thal·a·mi . [ thal- uh-mahy] /ˈθæl əˌmaɪ/ . Anatomy the middle part of the diencephalon through which sensory impulses pass to reach the cerebral cortex. . Botany a receptacle or torus. Also called thalamium. an apartment for women in an ancient Greek house. Origin of thalamus 1695–1705; < New Latin; Latin: bedroom < Greek thálamos Related forms tha·lam·ic , [th uh- 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
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for thalamus British Dictionary definitions for thalamus noun plural -mi ( -ˌmaɪ) 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 Derived Forms thalamic ( θəˈlæmɪk), adjective thalamically, adverb Word Origin for thalamus
C18: from Latin, Greek
thalamos inner room; probably related to Greek tholos vault
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for thalamus n.
1753, "the receptacle of a flower," Modern Latin, from Latin
thalamus "inner chamber," from Greek thalamos "inner chamber, bedroom," related to thalame "den, lair," tholos "vault, vaulted building." Used since 1756 of a part of the forebrain where a nerve appears to originate.
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for thalamus n. pl. thal•a•mi ( -mī′) A large ovoid mass of gray matter that forms the larger dorsal subdivision of the diencephalon and is located medial to the internal capsule and to the body and tail of the caudate nucleus. It functions in the relay of sensory impulses to the cerebral cortex. Related forms tha•lam ( ′ic thə-lăm) ′ĭk adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for thalamus Plural thalami ( thăl) ′ə-mī′ 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.
Culture definitions for thalamus
The part of the
brain that coordinates nerve impulses relating to the senses of sight, hearing, touch, and taste.
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.