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The basal nuclei

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   The basal nuclei subcortical, intracerebral masses of gray matter forming  important parts of the extrapyramidal system. They include: 1) the corpus striatum; 2) the claustrum and;                                                                                              3) the amygdaloid body 1. The corpus striatum , or "striped body" consists of the  caudate nucleus, núcleus caudátus  and the  lenticular nucleus, núcleus lentifórmis Because the internal capsule runs between the caudate and lenticular nucleus of the basal ganglia, the group of structures looks striped. The caudate nucleus  is a comma-shaped structure which lies medially from the lenticular nucleus. The nucleus has a  head, a body and a tail The  head , cáput nuclei caudati forms the lateral wall of the  anterior horn of the lateral ventricle . Anteriorly it  adjoins the substantia  perforata anterior . The  body , corpus nuclei caudati, forms the floor of the central part of the lateral ventricle The  t