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The Collaborative International Dictionary
Thalamus

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.

  2. (Bot.)

    1. Same as Thallus.

    2. The receptacle of a flower; a torus.

Douglas Harper's Etymology Dictionary
thalamus

plural thalami, 1753, "the receptacle of a flower," Modern Latin, from Latin thalamus "inner chamber, sleeping room" (hence, figuratively, "marriage, wedlock"), from Greek thalamos "inner chamber, bedroom," related to thalame "den, lair," tholos "vault, vaulted building." Used in English since 1756 of a part of the forebrain where a nerve appears to originate.

Wiktionary
thalamus

n. 1 (context anatomy English) Either of two large, ovoid structures of grey matter within the forebrain that relay sensory impulses to the cerebral cortex. 2 (context botany English) The receptacle of a flower; a torus. 3 A thallus.

WordNet
thalamus
  1. n. large egg-shaped structures of gray matter that form the dorsal subdivision of the diencephalon

  2. [also: thalami (pl)]

Wikipedia
Thalamus

The thalamus (from Greek θάλαμος, "chamber") is a midline symmetrical structure of two halves, within the vertebrate brain, situated between the cerebral cortex and the midbrain. Some of its functions are the relaying of sensory and motor signals to the cerebral cortex, and the regulation of consciousness, sleep, and alertness. The medial surface of the two halves constitute the upper lateral wall of the third ventricle. It is the main product of the embryonic diencephalon.

Usage examples of "thalamus".

Yes, there was the telencephalon and there the diencephalon, with the thalamus and epithalamus and metathalamus.

Some small hypothalamic proteins have been identified tentatively in the third ventricle of the brain, which connects the hypothalamus with the thalamus, a region also within the limbic system.

Some small hypothalamic proteins have been identified tentatively in the third ventricle of the brain, which connects the hypothalamus with the thalamus, a region also within the limbic system.

The thalamus acts as a reception center for the somesthetic sensations touch, pain, heat, cold, and the muscle senses.

The rough sensations, however, which must be dealt with quickly and for which there is no time for consideration, are handled more or less automatically in the thalamus.

Masses of irrelevant information stormed the sensory-motor cortex, smashing up through the thalamus and hypothalamus, howled triumphantly round the reverberatory pathways of the association cortex.

Yes, there was the telencephalon and there the diencephalon, with the thalamus and epithalamus and metathalamus.

G), because this is the end of the central nervous system if you work from the bottom up, whereas the basal ganglia, thalamus, and hypothalamus are the diencephalon {"between-brain" G}.

He claimed that his method of literary composition was to hook his gonads in parallel with his thalamus and disconnect his cerebrum entirely.

The control unit was a pulse generator that sent an extremely weak electrical impulse-in fact a thousand times weaker than the current a flashlight bulb requires-through the sleep centers in the thalamus and hypothalamus.

The thalamus acts as a reception center for the somesthetic sensations —.