「Nerve06/central nervous system/basics of the sensory pathway」の版間の差分
Soichi.Nakatake (トーク | 投稿記録) (ページの作成: {{Point|感覚性（求心性）活動電位は３本の神経（第1次，第２次，第３次）を経由して受容器から大脳皮質に上行する．}} 第１次感覚...) |
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{{Point| | {{Point|The sensory（afferent）action potentials ascend through 3 neurons from the receptors to the cerebral cortex.}} | ||
The first sensory nerve has the cell body in the posterior root ganglion. | |||
The second sensory nerve fibers cross the right-left midline and reaches the contralateral brain. | |||
The second sensory nerve fibers form a synapse with the third sensory nerve at the thalamus. | |||
The third sensory nerve fibers passes through the internal capsule and reaches the postcentral gyrus in the parietal lobe of the cerebral cortex. | |||
[[ファイル:00207en.jpg|500px]] | [[ファイル:00207en.jpg|500px]] | ||
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//LEVEL:4 | //LEVEL:4 | ||
//RAND | //RAND | ||
The cell body of the first sensory neuron locate in the {~anterior horn~posterior horn~=posterior root ganglion~thalamus~precentral gyrus~postcentral gyrus~internal capsule}. | |||
//LEVEL:4 | //LEVEL:4 | ||
//NO-RAND | //NO-RAND | ||
The {~first~=second~third} sensory nerve fiber cross the right-left midline. | |||
//LEVEL:4 | //LEVEL:4 | ||
//RAND | //RAND | ||
The cell body of the third sensory neuron locate in the {~anterior horn~posterior horn~posterior root ganglion~=thalamus~precentral gyrus~postcentral gyrus~internal capsule}. | |||
//LEVEL:3 | //LEVEL:3 | ||
//RAND | //RAND | ||
The sensory ascending pathway {=does~does not} pass through the internal capsule. | |||
//LEVEL:2 | //LEVEL:2 | ||
//RAND | //RAND | ||
The sensory ascending pathway {=does~does not} pass through the thalamus. | |||
//LEVEL:3 | //LEVEL:3 | ||
//RAND | //RAND | ||
The {=afferent~efferent} action potential generated by stimulating the RIGHT foot, passes through the {=right~left} {~anterior~=posterior} root, {~right~=left} side thalamus, {~right~=left} side internal capsule, and reaches the {~right~=left} side {=postcentral~precentral} gyrus. | |||
//LEVEL:3 | //LEVEL:3 | ||
//RAND | //RAND | ||
The {=afferent~efferent} action potential generated by stimulating the LEFT foot, passes through the {~right~=left} {~anterior~=posterior} root, {=right~left} side thalamus, {=right~left} side internal capsule, and reaches the {=right~left} side {=postcentral~precentral} gyrus. | |||
</GIFT> | </GIFT> | ||
2014年11月18日 (火) 21:47時点における最新版
| The sensory（afferent）action potentials ascend through 3 neurons from the receptors to the cerebral cortex. |
The first sensory nerve has the cell body in the posterior root ganglion.
The second sensory nerve fibers cross the right-left midline and reaches the contralateral brain.
The second sensory nerve fibers form a synapse with the third sensory nerve at the thalamus.
The third sensory nerve fibers passes through the internal capsule and reaches the postcentral gyrus in the parietal lobe of the cerebral cortex.
Challenge Quiz
The cell body of the first sensory neuron locate in the anterior horn posterior horn posterior root ganglion thalamus precentral gyrus postcentral gyrus internal capsule .
The first second third sensory nerve fiber cross the right-left midline.
The cell body of the third sensory neuron locate in the anterior horn posterior horn posterior root ganglion thalamus precentral gyrus postcentral gyrus internal capsule .
The sensory ascending pathway does does not pass through the internal capsule.
The sensory ascending pathway does does not pass through the thalamus.
The afferent efferent action potential generated by stimulating the RIGHT foot, passes through the right left anterior posterior root, right left side thalamus, right left side internal capsule, and reaches the right left side postcentral precentral gyrus.
The afferent efferent action potential generated by stimulating the LEFT foot, passes through the right left anterior posterior root, right left side thalamus, right left side internal capsule, and reaches the right left side postcentral precentral gyrus.