thalamus

thalamus
—thalamic /theuh lam"ik/, adj. —thalamically, adv.
/thal"euh meuhs/, n., pl. thalami /-muy'/.
1. Anat. the middle part of the diencephalon through which sensory impulses pass to reach the cerebral cortex.
2. Bot. a receptacle or torus.
3. Also called thalamium. an apartment for women in an ancient Greek house.
[1695-1705; < NL; L: bedroom < Gk thálamos]

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plural  thalami 
 either of a pair of large, ovoid organs that form most of the lateral walls of the third ventricle of the brain. The thalamus translates neural impulses from various receptors to the cerebral cortex, where they are experienced as the appropriate sensations of touch, pain, or temperature, during the waking state, and it regulates synaptic transmissions (i.e., incoming impulses) during resting states.

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  • thalamus — [ talamys ] n. m. • 1877; lat. sav. thalami nervorum opticorum (1704) « lits (couches) des nerfs optiques », du gr. thalamos « lit » ♦ Anat. Les deux gros noyaux sensitifs de substance grise situés de part et d autre du troisième ventricule… …   Encyclopédie Universelle

  • THALAMUS — Graece Θάλαμος, item θαλάμη: quae tamen sic distinguit Ammonius, ut θαλάμαι proprie sint delubra Dioscurorum, imo omnium Deorum interiores cellae, Dearum praeprimis, quae alias καλύβαι, παςοις i. e. velis plumariô opere varieg atis clausae, de… …   Hofmann J. Lexicon universale

  • Thalamus — Thal a*mus, n.; pl. {Thalami}. [L. thalamus chamber, Gr. qa lamos.] 1. (Anat.) A mass of nervous matter on either side of the third ventricle of the brain; called also {optic thalamus}. [1913 Webster] 2. (Bot.) (a) Same as {Thallus}. (b) The… …   The Collaborative International Dictionary of English

  • thalamus — 1753, the receptacle of a flower, Modern Latin, from L. thalamus inner chamber, from Gk. 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… …   Etymology dictionary

  • Thalamus — so v.w. Thalamos …   Pierer's Universal-Lexikon

  • Thalămus — (lat. griech.), der Blüten oder Fruchtboden …   Meyers Großes Konversations-Lexikon

  • Thalamus — Thalămus (grch.), Schlafgemach, Ehebett; in der Botanik der Fruchtboden der Blüte …   Kleines Konversations-Lexikon

  • thalamus — index chamber (compartment) Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • Thalamus — Thalamus, dorsal liegender Teil des ⇒ Zwischenhirns, bei Säugern Hauptumschaltstelle afferenter Fasern von den Sinnesorganen auf Großhirnbahnen zu den sensorischen Regionen des Cortex …   Deutsch wörterbuch der biologie

  • thalamus — [thal′ə məs] n. pl. thalami [thal′əmī΄] [ModL < L, an inner chamber < Gr thalamos] 1. Anat. a mass of gray matter forming the lateral walls of the diencephalon and involved in the transmission and integration of certain sensations 2. Bot.… …   English World dictionary

  • Thalamus — Lage des Thalamus im Gehirn …   Deutsch Wikipedia

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