Effects of epinephrine, norepinephrine and some blocking agents on tunicate smooth muscle

1. 1. Epinephrine and norepinephrine increase the rate of contraction of smooth muscle of Ciona intestinalis. 2. 2. α-Blocking agents such as Dibenzyline alter the contraction by themselves and also partially change the effect of epinephrine. 3. 3. β-Blocking agents such as Propanolol do not affect...

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Bibliographic Details
Published inComparative biochemistry and physiology Vol. 29; no. 2; pp. 813 - 819
Main Author Akers, T.K.
Format Journal Article
LanguageEnglish
Published England Elsevier B.V 01.05.1969
Subjects
Animals
Chordata, Nonvertebrate - physiology
Depression, Chemical
Electric Stimulation
Epinephrine - pharmacology
In Vitro Techniques
Muscle Contraction - drug effects
Muscle, Smooth - drug effects
Muscle, Smooth - physiology
Norepinephrine - pharmacology
Phenoxybenzamine - pharmacology
Propranolol - pharmacology
Stimulation, Chemical
Time Factors
norepinephrine
β-blocking agents
Ciona intestinalis
Muscle contractants
Dibenzyline
epinephrine
Propanolol
α-blocking agents
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Summary:1. 1. Epinephrine and norepinephrine increase the rate of contraction of smooth muscle of Ciona intestinalis. 2. 2. α-Blocking agents such as Dibenzyline alter the contraction by themselves and also partially change the effect of epinephrine. 3. 3. β-Blocking agents such as Propanolol do not affect the contraction by themselves but do effectively epinephrine action.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0010-406X
DOI:10.1016/0010-406X(69)91632-6