thalamusn.

Brit.

/ˈθaləməs/, U.S.

/ˈθæləməs/

Forms: Plural thalami /-maɪ/. Also (in sense 3) in Greek form thalamos.

Etymology: < Latin thalamus, < Greek θάλαμος an inner chamber.

1. Anatomy. A part of the brain at which a nerve originates or appears to originate. Now spec. the optic thalamus (see optic adj.).

ΘΚΠ

the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > thalamus

thalamus1756

1704 J. Harris Lexicon Technicum I Thalami Nervorum Opticorum, are two Prominences of the lateral Ventricles of the Cerebrum; so call'd, because the Optick Nerves rise out of them.]

1756 Gentleman's Mag. 26 517/1 The thalami here appeared very thin, and the pia mater..was overspread with blood-vessels of an unusual size.

1856 R. B. Todd & W. Bowman Physiol. Anat. II. 38 Each tract adheres to the outer side of its corresponding thalamus for some distance.

1879 St. George's Hosp. Rep. 9 513 An abscess..in the right optic thalamus, opening just behind the tænia.

1902 D. J. Cunningham Text-bk. Anat. 501 The two optic thalami, in their anterior two-thirds, lie close together on either side of a deep mesial cleft, which receives the name of the third ventricle of the brain.

1947 Sci. News 4 112 There is an anatomically distinct region, the thalamus, deep in the brain-stem which has something to do with the perception of pain and other sensations and the judgment of their quality.

1948 A. Brodal Neurol. Anat. vi. 157 It appears..that the thalamus is not only an important relay station in the large afferent sensory fibre systems and the optic and acoustic systems, but in addition extensive parts of it..also discharge their impulses to the cerebral cortex.

1979 Sci. Amer. Sept. 85/2 The rest of the forebrain is the diencephalon: the upper two-thirds comprises the thalamus (which has numerous subdivisions) and the lower third the hypothalamus.

2. Botany.

a. The receptacle of a flower, on which the carpels are placed; the torus.

ΘΚΠ

the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > parts of > receptacle or thalamus

receptaculum1725

receptacle1753

thalamus1753

torus1829

1753 Chambers's Cycl. Suppl. Thalamus, in botany, a term used to express that part of the flower..where the embryo fruits..are lodged, and where afterwards the seeds are contained.

1766 J. Lee Introd. Bot. Gloss. Thalamus,..the Receptacle.

1861 R. Bentley Man. Bot. i. iv. 214 The extremity of the peduncle or pedicel..is called the Thalamus or Receptacle.

b. (See quot. 1842.)

ΚΠ

1842 Penny Cycl. XXIV. 274/1 Thalamus is also used in Cryptogamic botany, in common with Thallus, to express the bed of fibres from which many fungi spring up.

3. Archaeology. An inner or secret chamber.

ΘΚΠ

the mind > mental capacity > knowledge > hiding, concealing from view > a secret place, hiding place > [noun] > passage or chamber

secretaryc1440

priest's hole1660

thalamus1850

serdab1877

coulisse1903

society > inhabiting and dwelling > inhabited place > a building > parts of building > room > types of room generally > [noun] > private or inner room

bowerc1000

chamber?c1225

privy chambera1382

closeta1387

closera1400

conclavea1400

wardrobea1400

cell?1440

garderobe?c1450

retreatc1500

parlour1561

cabinet1565

cabin1594

in-room?1615

recamera1622

sanctum sanctorum1707

adytum1800

snuggery1812

sulking-room1816

sanctum1819

anderoon1840

inner sanctum1843

thalamus1850

growlery1853

1850 J. Leitch tr. K. O. Müller Ancient Art (new ed.) §48 The thalami, secret chambers for the women.

1884 Times 15 Aug. 4 The same pattern as that found on the roof of the thalamos.

This entry has not yet been fully updated (first published 1912; most recently modified version published online March 2022).

单词	thalamus
释义	thalamusn. Brit. /ˈθaləməs/, U.S. /ˈθæləməs/ Forms: Plural thalami /-maɪ/. Also (in sense 3) in Greek form thalamos. Etymology: < Latin thalamus, < Greek θάλαμος an inner chamber. 1. Anatomy. A part of the brain at which a nerve originates or appears to originate. Now spec. the optic thalamus (see optic adj.). ΘΚΠ the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > thalamus thalamus1756 1704 J. Harris Lexicon Technicum I Thalami Nervorum Opticorum, are two Prominences of the lateral Ventricles of the Cerebrum; so call'd, because the Optick Nerves rise out of them.] 1756 Gentleman's Mag. 26 517/1 The thalami here appeared very thin, and the pia mater..was overspread with blood-vessels of an unusual size. 1856 R. B. Todd & W. Bowman Physiol. Anat. II. 38 Each tract adheres to the outer side of its corresponding thalamus for some distance. 1879 St. George's Hosp. Rep. 9 513 An abscess..in the right optic thalamus, opening just behind the tænia. 1902 D. J. Cunningham Text-bk. Anat. 501 The two optic thalami, in their anterior two-thirds, lie close together on either side of a deep mesial cleft, which receives the name of the third ventricle of the brain. 1947 Sci. News 4 112 There is an anatomically distinct region, the thalamus, deep in the brain-stem which has something to do with the perception of pain and other sensations and the judgment of their quality. 1948 A. Brodal Neurol. Anat. vi. 157 It appears..that the thalamus is not only an important relay station in the large afferent sensory fibre systems and the optic and acoustic systems, but in addition extensive parts of it..also discharge their impulses to the cerebral cortex. 1979 Sci. Amer. Sept. 85/2 The rest of the forebrain is the diencephalon: the upper two-thirds comprises the thalamus (which has numerous subdivisions) and the lower third the hypothalamus. 2. Botany. a. The receptacle of a flower, on which the carpels are placed; the torus. ΘΚΠ the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > parts of > receptacle or thalamus receptaculum1725 receptacle1753 thalamus1753 torus1829 1753 Chambers's Cycl. Suppl. Thalamus, in botany, a term used to express that part of the flower..where the embryo fruits..are lodged, and where afterwards the seeds are contained. 1766 J. Lee Introd. Bot. Gloss. Thalamus,..the Receptacle. 1861 R. Bentley Man. Bot. i. iv. 214 The extremity of the peduncle or pedicel..is called the Thalamus or Receptacle. b. (See quot. 1842.) ΚΠ 1842 Penny Cycl. XXIV. 274/1 Thalamus is also used in Cryptogamic botany, in common with Thallus, to express the bed of fibres from which many fungi spring up. 3. Archaeology. An inner or secret chamber. ΘΚΠ the mind > mental capacity > knowledge > hiding, concealing from view > a secret place, hiding place > [noun] > passage or chamber secretaryc1440 priest's hole1660 thalamus1850 serdab1877 coulisse1903 society > inhabiting and dwelling > inhabited place > a building > parts of building > room > types of room generally > [noun] > private or inner room bowerc1000 chamber?c1225 privy chambera1382 closeta1387 closera1400 conclavea1400 wardrobea1400 cell?1440 garderobe?c1450 retreatc1500 parlour1561 cabinet1565 cabin1594 in-room?1615 recamera1622 sanctum sanctorum1707 adytum1800 snuggery1812 sulking-room1816 sanctum1819 anderoon1840 inner sanctum1843 thalamus1850 growlery1853 1850 J. Leitch tr. K. O. Müller Ancient Art (new ed.) §48 The thalami, secret chambers for the women. 1884 Times 15 Aug. 4 The same pattern as that found on the roof of the thalamos. This entry has not yet been fully updated (first published 1912; most recently modified version published online March 2022). < n.1753
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