caudate nucleus
Acronym:
Cd
The term caudate nucleus refers to a predominantly cellular component of the striatum in the primate. Defined on the basis of Nissl and myelin stains it is more medial than the other component, the putamen. The caudate nucleus encircles the putamen, separated from it by the internal capsule ( Carpenter-1983 ). The two components are not distinguishable in the rodent. There the myelinated fibers that pass through the striatum to connect the cerebral cortex and subcortical structures do not form an internal capsule but are distributed throughout the striatum. Thus, in the rodent the striatum is often called 'caudoputamen' ( Swanson-2004 ). In the striatopallidal system, the classical striatum, or caudoputamen, is the largest part of the dorsal striatum ( Heimer-1995 ).
Also known as: Caudatus, Nucleus caudatus
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