Term
| α-adrenergic receptor affinities for catecholamines |
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Definition
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Term
| β1-adrenergic receptor affinity for catecholamines |
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Definition
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Term
| β2 adrenergic receptor affinity for catecholamines |
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Definition
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Term
| Heart adrenergic receptors and action |
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Definition
β1 receptors
- increases heart rate (SA node)
- increases conduction rate and shorter functional refractory period (AV node)
- increases contractility (ventricles) |
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Term
| Adrenergic receptors of blood vessel smooth muscle |
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Definition
To skin - α → contraction of smooth muscle
To skeletal muscle - α and β1 → contraction and relaxation
respectively |
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Term
| Bronchial smooth muscle receptors |
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Definition
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Term
| GI smooth muscle adrenergic receptors |
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Definition
To stomach - β → decreased motility
To intestines - α & β → decreased motility |
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Term
| GI sphincter adrenergic receptors |
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Definition
To stomach - α → contracts
To intestines - α → contracts |
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Term
| Urinary bladder adrenergic receptors |
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Definition
Detrussor muscle: β → relaxation and filling of bladder
Trigone and sphincter: α → contract |
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Term
| Eye muscle adrenergic receptors |
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Definition
Radial m. α → contract
Ciliary m. β → relax |
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