Ansa lenticularis

Ansa lenticularis

Infobox Brain
Name = Ansa lenticularis
Latin =
GraySubject = 189
GrayPage = 837


Caption =


Caption2 =
System =
Precursor =
BrainInfoType = hier
BrainInfoNumber = 427
MeshName =
MeshNumber =
DorlandsPre = a_44
DorlandsSuf = 12138610
The ansa lenticularis ("ansa lentiformis" in older texts) is a part of the brain, making up the superior layer of the substantia innominata of Meynert. Its fibers, derived from the medullary lamina of the lentiform nucleus, pass medially to end in the thalamus and subthalamic region, while others are said to end in the tegmentum and red nucleus.

It is classified by NeuroNames as part of the subthalamus.

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  • ansa lenticularis — [TA] a small fiber tract arising in the globus pallidus of the lenticular nucleus and extending around the medial border of the internal capsule to join and mingle with the fibers of the fasciculus lenticularis, some of which synapse with cells… …   Medical dictionary

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  • nucleus ansae lenticularis — [TA] nucleus of ansa lenticularis a collection of neurons in the ansa lenticularis as it curves around the medial edge of the globus pallidus …   Medical dictionary

  • fasciculus lenticularis — [TA] lenticular fasciculus: a bundle of pallidofugal nerve fibers arising from the dorsal surface of the globus pallidus; they pass through the internal capsule, traverse field H2 of Forel, join and mingle with the fibers of the ansa lenticularis …   Medical dictionary

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