「Nerve06/autonomic nervous system and synapses/catecholamine receptors」の版間の差分

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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.   


Beta receptors:  cardiac muscles (increase in heart rate and contraction), relaxing of the airway smooth muscles.  
Beta receptors:  cardiac muscles (increase in heart rate and contraction), relaxing of the airway smooth muscles.  
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//LEVEL:3
//LEVEL:3
//RAND
//RAND
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 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.=beta} receptors.  When they are stimulated the cardiac contraction is {=fasciliated,~inhibited} and the heart rate is  {=increased,~decreased}.   
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.=beta} receptors.  When they are stimulated the airway is {=dilated,~constricted}.  
 
 
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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.

カテコールアミン受容体en.jpg
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

1.

The catecholamine receptors in the vascular smooth muslces are mainly the alpha beta receptors. When they are stimulated the blood pressure is lowered elevated .

2.

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 .

3.

The catecholamine receptors in the airway smooth muslces are mainly the alpha beta receptors. When they are stimulated the airway is dilated constricted .