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The fields of Forel are areas in a deep part of the brain known as the diencephalon. They are below the thalamus and consists of three defined, white matter areas of the subthalamus. These three regions are also named "H fields". The first, field H1, is the thalamic fasciculus, a horizontal white matter tract composed of the ansa lenticularis, lenticular fasciculus, and cerebellothalamic tracts between the subthalamus and the thalamus. These fibers are projections to the ventral anterior and ventral lateral thalamus from the basal ganglia (globus pallidus) and the cerebellum. H1 is separated from H2 by the zona incerta. Field H2 (sometimes synonymous with "lenticular fasciculus") is also made up of projections from the pallidum to the thalamus, but these course the subthalamic nucleus (dorsal). Field H (sometimes called field H3) is a large zone of mixed grey and white matter from the pallidothalamic tracts of the lenticular fasciculus and the ansa lenticularis which combine in an area just in front of the red nucleus. The grey matter from this field is said to form a ''prerubral'' nucleus. ==External links== *(Fields of Forel - Biology Online Dictionary ) *Forel, A. (1877). "Untersuchungen über die Haubenregion und ihre oberen Verknüpfungen im Gehirne des Menschen und einiger Säugethiere, mit Beiträgen zu den Methoden der Gehirnuntersuchung". Archiv für Psychiatrie und Nervenkrankheiten 7: 393–495. . 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Fields of forel」の詳細全文を読む スポンサード リンク
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