Categories
Basic Science - Physiology

Adrenoceptors

Last Updated on April 2, 2023

Table

α1

α2

ß1

ß2


Heart

Force of contraction

Increased

Increased (more significant in heart failure)

Rate

Increased

Increased (more significant in heart failure)


Smooth Muscles

Bladder sphincter

Contract

Bladder detrusor

Relax

Blood vessel

Constrict

Constrict / Dilate

Dilate

Bronchi

Constrict

Dilate

Ciliary muscles

Relax

Gastrointestinal sphincters

Contract

Gastrointestinal tract

Relax

Relax

Relax

Iris

Contract

Uterus

Contract

Relax

Others

Skeletal muscles

Tremors, Glycogenolysis

Liver

Glycogenolysis

Glycogenolysis

Pancreatic islets

Decreased insulin secretion

Mast cells

Inhibition of histamine release

Extra Notes

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