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单词 Caudate putamen
释义

Caudate putamen

英语百科

Striatum

(重定向自Caudate putamen)
Matrix and Striosome Compartments: Fluorescence microscopy image of a coronal mouse brain section, cut through the striatum (caudate putamen, CP). The matrix/striosome division is here revealed by dual immunohistochemical (calbindin, CALB; green) and transgenic (red fluorescent protein, RFP; red) labeling of the matrix compartment, using the matrix-specific Cre-mouse line Gpr101-Cre.[17] Unlabeled patches constitute striosomes.
This is a transverse section of the striatum from a structural MR image. The striatum, in red, includes the caudate nucleus (top), the putamen (right), and, when including the term 'corpus' striatum, the globus pallidus (lower left).
Overview of the main circuits of the basal ganglia. The striatum is shown in blue. Picture shows 2 coronal slices that have been superimposed to include the involved basal ganglia structures. + and – signs at the point of the arrows indicate respectively whether the pathway is excitatory or inhibitory in effect. Green arrows refer to excitatory glutamatergic pathways, red arrows refer to inhibitory GABAergic pathways and turquoise arrows refer to dopaminergic pathways that are excitatory on the direct pathway and inhibitory on the indirect pathway.

The striatum, also known as the neostriatum or striate nucleus, is a subcortical part of the forebrain and a critical component of the reward system. It receives glutamatergic and dopaminergic inputs from different sources and serves as the primary input to the basal ganglia system. In all primates, the dorsal striatum is divided by a white matter tract called the internal capsule into two sectors called the caudate nucleus and the putamen. The ventral striatum is composed of the nucleus accumbens and olfactory tubercle in primates. Functionally, the striatum coordinates multiple aspects of cognition, including motor and action planning, decision-making, motivation, reinforcement, and reward perception.

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更新时间:2025/6/17 8:38:37