「Nerve06/autonomic nervous system and synapses/catecholamine receptors」の版間の差分
Soichi.Nakatake (トーク | 投稿記録) 編集の要約なし |
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There are two types, alpha receptors and beta receptors, of receptors for catecholamines. Depending on the organs innervated by the sympathetic nerves, the dominance of the alpha receptors and beta receptors differ. | There are two types, alpha receptors and beta receptors, of receptors for catecholamines. Depending on the organs innervated by the sympathetic nerves, the dominance of the alpha receptors and beta receptors differ. | ||
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Alpha receptors: vascular smooth muslces (contraction, increase in blood pressure). gastrointestinal sphincters contraction. pupillary dilatator contraction. | Alpha receptors: vascular smooth muslces (contraction, increase in blood pressure). gastrointestinal sphincters contraction. pupillary dilatator contraction. | ||
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//LEVEL:3 | //LEVEL:3 | ||
//RAND | //RAND | ||
The catecholamine receptors in the vascular smooth muslces are mainly the {=alpha | The catecholamine receptors in the vascular smooth muslces are mainly the {=alpha~beta} receptors. When they are stimulated the blood pressure is {~lowered~=elevated}. | ||
//LEVEL:3 | //LEVEL:3 | ||
//RAND | //RAND | ||
The catecholamine receptors in the heart muslces are mainly the {~alpha | The catecholamine receptors in the heart muslces are mainly the {~alpha~=beta} receptors. When they are stimulated the cardiac contraction is {=fasciliated~inhibited} and the heart rate is {=increased~decreased}. | ||
//LEVEL:3 | //LEVEL:3 | ||
//RAND | //RAND | ||
The catecholamine receptors in the airway smooth muslces are mainly the {~alpha~=beta} receptors. When they are stimulated the airway is {=dilated~constricted}. | |||
The catecholamine receptors in the airway smooth muslces are mainly the {~alpha | |||
</GIFT> | </GIFT> | ||
2015年5月4日 (月) 00:52時点における最新版
There are two types, alpha receptors and beta receptors, of receptors for catecholamines. Depending on the organs innervated by the sympathetic nerves, the dominance of the alpha receptors and beta receptors differ.
Alpha receptors: vascular smooth muslces (contraction, increase in blood pressure). gastrointestinal sphincters contraction. pupillary dilatator contraction.
Beta receptors: cardiac muscles (increase in heart rate and contraction), relaxing of the airway smooth muscles.
Challenge Quiz
The catecholamine receptors in the vascular smooth muslces are mainly the alpha beta receptors. When they are stimulated the blood pressure is lowered elevated .
The catecholamine receptors in the heart muslces are mainly the alpha beta receptors. When they are stimulated the cardiac contraction is fasciliated inhibited and the heart rate is increased decreased .
The catecholamine receptors in the airway smooth muslces are mainly the alpha beta receptors. When they are stimulated the airway is dilated constricted .