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单词 palaeostriatum
释义

palaeostriatumpaleostriatumn.

Brit. /ˌpalɪə(ʊ)strʌɪˈeɪtəm/, /ˌpeɪlɪə(ʊ)strʌɪˈeɪtəm/, U.S. /ˈˌpeɪlioʊˌstraɪˈeɪd(ə)m/
Forms: see palaeo- comb. form and striatum n.
Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: palaeo- comb. form, striatum n.
Etymology: < palaeo- comb. form + striatum n., after German Palaeostriatum (C. U. A. Kappers 1908, in Anatomischer Anzeiger 33 322). Compare neostriatum n.
Anatomy and Zoology.
The phylogenetically older portion of the corpus striatum, corresponding (in mammals) to the globus pallidus.
ΘΚΠ
the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > phylogenetically old or new parts
striatum1889
neopallium1901
archipallium1908
neencephalon1908
palaeencephalon1908
neocortex1909
neostriatum1909
palaeocortex1909
palaeopallium1909
palaeostriatum1913
neothalamus1917
palaeothalamus1920
neocerebellum1922
palaeocerebellum1922
1913 Brain 36 159 In analogy with the archistriatal commissure which connects the nuclei amygdalæ, and a possible commissure between the palæostriata in Meynert's commissure, such a connexion of the phylogenetically most recent parts of the striatum would not be improbable.
1921 F. Tilney & H. A. Riley Form & Functions Central Nerv. Syst. xliv. 805 In its process of evolution from the lower vertebrates to mammals, the primordial portion of the striate body corresponds to the globus pallidus. This structure may, therefore, be tentatively distinguished as the paleostriatum.
2003 Amer. Jrnl. Neuroradiol. 24 1849 Longitudinal comparison revealed significant declines in the neostriatal volumes and smaller (but statistically significant) shrinkage of the paleostriatum.
This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022).
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n.1913
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