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| This is a "sandbox" for trying out image annotations. You can try out [[Help:Gadget-ImageAnnotator|image notes]] on the image below. Don't worry, all your changes are visible on this page only; you won't corrupt existing notes at the file page.
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| <div class="wpImageAnnotatorEnable"> | | <div class="wpImageAnnotatorEnable"> |
| <span class="wpImageAnnotatorPageName" style="display:none;">Hippocampus</span> | | <span class="wpImageAnnotatorPageName" style="display:none;">Inferior Colliculus</span> |
| <span class="wpImageAnnotatorFullName" style="display:none;">Hippocampus</span> | | <span class="wpImageAnnotatorFullName" style="display:none;">Inferior Colliculus</span> |
| <div class="wpImageAnnotatorFile">[[File:Hippocampus.jpeg|400px]]</div> | | <div class="wpImageAnnotatorFile">[[File:Brainstem.png|500px]]</div> |
| <div style="display:none;"><div><div><!--Dummy marker to have image notes inserted below this line-->{{ImageNoteEnd|id=-1}} | | <div style="display:none;"><div><div><!--Dummy marker to have image notes inserted below this line-->{{ImageNoteEnd|id=-1}} |
| {{ImageNote|id=1|x=667|y=1567|w=1351|h=1351|dimx=10677|dimy=3985|style=2}} | | {{ImageNote|id=1|x=368|y=244|w=31|h=32|dimx=649|dimy=794|style=2}} |
| This part of the [[hippocampus]] connects to the dentate gyrus
| | Here lies the Inferior Colliculus |
| {{ImageNoteEnd|id=1}} | | {{ImageNoteEnd|id=1}} |
| </div> | | </div> |
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| {{Box|width=50%|Hippocampus| | | {{Box|width=50%|Inferior Colliculus| |
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| ===Functions=== | | ===Functions=== |
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| The basal ganglia form a major brain system in all species of vertebrates, but the basal ganglia of primates (including humans) have special features that justify a separate consideration. As in other vertebrates, the primate basal ganglia can be divided into striatal, pallidal, nigral, and subthalamic components. In primates, however, the two pallidal subdivisions are called the external and internal (or sometimes lateral and medial) segments of the globus pallidus, whereas in other species they are called the globus pallidus and entopeduncular nucleus. Also in primates, the striatum is divided by a large tract of white matter called the internal capsule into two masses of gray matter that early anatomists named the caudate nucleus and putamen -- in most other species no such division exists, and only the striatum as a whole is recognized. Beyond this, the complex topography of connections between the striatum and cortex means that functions are segregated within the primate striatum in ways that do not apply to other species.
| | Inferior Colliculus |
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| }} | | }} |
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| {{RightBox|width=40%|Basal Ganglia Images|[[File:Hippocampus.jpeg|400px]]}} | | {{RightBox|width=40%|Inferior Colliculus Images|[[File:Hippocampus.jpeg|400px]]}} |
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| <div class="toccolours mw-collapsible mw-collapsed" data-collapsetext="Close Image" data-expandtext="View Image" style="width: 410px; float:right;" > | | <div class="toccolours mw-collapsible mw-collapsed" data-collapsetext="Close Image" data-expandtext="View Image" style="width: 410px; float:right;" > |
| [[File:Basal_Ganglia4.jpg|400px]] | | [[File:Basal_Ganglia4.jpg|400px]] |
| </div>
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| <div class="toccolours mw-collapsible mw-collapsed" data-collapsetext="Close Image" data-expandtext="View Image" style="width: 410px; float:right;" >
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| [[File:Basal_Ganglia5.jpg|400px]]
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| </div>
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| <div class="toccolours mw-collapsible mw-collapsed" data-collapsetext="Close Image" data-expandtext="View Image" style="width: 410px; float:right;" >
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| [[File:Basal_Ganglia6.jpg|400px]]
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| </div>
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| <div class="toccolours mw-collapsible mw-collapsed" data-collapsetext="Close Image" data-expandtext="View Image" style="width: 410px; float:right;" >
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| [[File:Basal_Ganglia7.jpg|400px]]
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| </div>
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| <div class="toccolours mw-collapsible mw-collapsed" data-collapsetext="Close Image" data-expandtext="View Image" style="width: 410px; float:right;" >
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| [[File:Basal_Ganglia8.jpg|400px]]
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| </div>
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| <div class="toccolours mw-collapsible mw-collapsed" data-collapsetext="Close Image" data-expandtext="View Image" style="width: 410px; float:right;" >
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| [[File:Basal_Ganglia1.jpg|400px]]
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| </div> | | </div> |
