「Nerve05/disorders of the spinal cord and optic pathway/optic pathway(4)」の版間の差分

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The outer visual field of the left eye[[ファイル:00730.jpg|500px]]


Let's apply the basics to the outer visual field of the left eye.  Because of the lens, the images in the outer half of the left eye (green cylinder) is projected to the inner half of the left eye retina and action potentials are generated.  Also, as the fibers from the inner half of the retina cross the right-left midline, the image signals reach the right cerebral cortex via the right optic tract.   
The inner visual field of the left eye[[ファイル:00730.jpg|500px]]
 
Let's apply the basics to the inner visual field of the left eye.  Because of the lens, the images in the inner half of the left eye (yellow side of the standing box) is projected to the outer half of the left eye retina and action potentials are generated.  Also, as the fibers from the outer half of the retina do not cross the right-left midline, the image signals reach the left cerebral cortex via the left optic tract.   
 
 






{{QuizTitle}}
{{QuizTitle}}
<GIFT>
<GIFT>
//LEVEL:3
//LEVEL:3
//RAND
//RAND
The images in the outer half of the left eye is projected to the {=inner.~outer} half of the left eye retina.  The fibers carrying the generated signals {=do.~do not} cross the right-left midline, and the image signals reach the {~left.=right} cerebral cortex.


The images in the inner half of the left eye is projected to the {~inner.=outer} half of the left eye retina.  The fibers carrying the generated signals {~do.=do not} cross the right-left midline, and the image signals reach the {=left.~right} cerebral cortex.


//LEVEL:2
//LEVEL:2
//RAND
//RAND
The images in the outer half of the left eye reach the {~left.=right} cerebral cortex.
The images in the inner half of the left eye reach the {=left.~right} cerebral cortex.


</GIFT>
</GIFT>

2012年9月23日 (日) 13:05時点における版

The inner visual field of the left eye00730.jpg

Let's apply the basics to the inner visual field of the left eye. Because of the lens, the images in the inner half of the left eye (yellow side of the standing box) is projected to the outer half of the left eye retina and action potentials are generated. Also, as the fibers from the outer half of the retina do not cross the right-left midline, the image signals reach the left cerebral cortex via the left optic tract.



Challenge Quiz


1.

The images in the inner half of the left eye is projected to the inner.outer half of the left eye retina. The fibers carrying the generated signals do.do not cross the right-left midline, and the image signals reach the left. right cerebral cortex.

2.

The images in the inner half of the left eye reach the left. right cerebral cortex.

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