archistriatumn.

Brit.

/ˌɑːkᵻstrʌɪˈeɪtəm/, U.S.

/ˌɑrkəˌstraɪˈeɪdəm/

Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: archi- prefix, striatum n.

Etymology: < archi- prefix + striatum n., after German Archistriatum (C. U. A. Kappers 1908, in Anat. Anzeiger 33 323). Compare neostriatum n., palaeostriatum n. Compare slightly earlier archistriatal adj.

Anatomy and Zoology.

Originally: a region of the brain of reptiles and birds thought to represent an intermediate stage in the phylogenetic development of the corpus striatum of mammals. In later use spec.: a heterogeneous region of the avian brain having sensory-motor and limbic connections, and corresponding in part to the mammalian amygdala.The preferred name for this region of the avian brain is now arcopallium.

ΚΠ

1914 Rev. Neurol. & Psychiatry 12 200 The archistriatum (nucleus amygdalæ, &c.) is most highly developed in the reptilia, and gradually diminishes through the mammalia.

1943 O. S. Strong & A. Elwyn Human Neuroanat. xvii. 320/1 The amygdaloid complex..has been homologized with the olfactory striatum (archistriatum) of submammalian forms.

1992 S. Rose Making of Memory 280 There is probably an indirect route through another brain structure called the archistriatum.

2003 Science 31 Jan. 647/1 Neurons in a forebrain area called the robust nucleus of the archistriatum..fire bursts of activity just before a particular note [of a bird's song] is sung.

This is a new entry (OED Third Edition, March 2021; most recently modified version published online December 2021).

单词	archistriatum
释义	archistriatumn. Brit. /ˌɑːkᵻstrʌɪˈeɪtəm/, U.S. /ˌɑrkəˌstraɪˈeɪdəm/ Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: archi- prefix, striatum n. Etymology: < archi- prefix + striatum n., after German Archistriatum (C. U. A. Kappers 1908, in Anat. Anzeiger 33 323). Compare neostriatum n., palaeostriatum n. Compare slightly earlier archistriatal adj. Anatomy and Zoology. Originally: a region of the brain of reptiles and birds thought to represent an intermediate stage in the phylogenetic development of the corpus striatum of mammals. In later use spec.: a heterogeneous region of the avian brain having sensory-motor and limbic connections, and corresponding in part to the mammalian amygdala.The preferred name for this region of the avian brain is now arcopallium. ΚΠ 1914 Rev. Neurol. & Psychiatry 12 200 The archistriatum (nucleus amygdalæ, &c.) is most highly developed in the reptilia, and gradually diminishes through the mammalia. 1943 O. S. Strong & A. Elwyn Human Neuroanat. xvii. 320/1 The amygdaloid complex..has been homologized with the olfactory striatum (archistriatum) of submammalian forms. 1992 S. Rose Making of Memory 280 There is probably an indirect route through another brain structure called the archistriatum. 2003 Science 31 Jan. 647/1 Neurons in a forebrain area called the robust nucleus of the archistriatum..fire bursts of activity just before a particular note [of a bird's song] is sung. This is a new entry (OED Third Edition, March 2021; most recently modified version published online December 2021). < n.1914
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