Ansa lenticularis

Superior layer of the substantia innominata of the brain
(Redirected from Ansa lentiformis)

The ansa lenticularis (ansa lentiformis in older texts) is a part of the brain, making up the superior layer of the substantia innominata. 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.

Ansa lenticularis
The image shows dopaminergic pathways of the human brain in normal condition (left) and Parkinsons Disease (right). Red Arrows indicate suppression of the target, blue arrows indicate stimulation of target structure. (Ansa lenticularis visible but not labeled, as red line from GPi to THA.)
Details
Identifiers
LatinAnsa lentiformis
Anatomical terms of neuroanatomy

References

  This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

External links

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