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Adrenergic Receptors:
Adrenergic receptors are G protein-coupled receptors. Broadly they are divided into α, and β adrenergic receptors. α1 receptors are involved in vasoconstriction, contraction of smooth muscles in the genitourinary tract, glandular secretion, and gut relaxation. α2 receptors are involved in the inhibition of neurotransmitter release from nerve endings, decrease in sympathetic outflow, inhibition of insulin release, platelet aggregation, and vasoconstriction. β1 receptors are involved in the stimulation of heart activity, and the release of renin from JG cells in the kidney. β2 receptors cause bronchodilatation, vasodilatation, uterine relaxation, relaxation of the digestive tract, detrusor relaxation, and increased aqueous secretion.
Dr Vipul Navadiya
Chapters:
00:00 Title
00:04 Introduction and Types
00:43 Alpha-1 Adrenergic Receptors
01:51 Alpha-2 Adrenergic Receptors
03:18 Beta Adrenergic Receptors Introduction
03:37 Beta-1 Adrenergic Receptors
04:25 Beta-2 Adrenergic Receptors
05:19 Beta-3 Adrenergic Receptors
05:49 Summary
DISCLAIMER: This video is for education purposes only. Although every effort is made to ensure the accuracy of the material, viewers should refer to the appropriate regulatory body/authorized websites, guidelines, and other suitable sources of information as deemed relevant and applicable. In view of the possibility of human error or changes in medical science, any person or organization involved in the preparation of this work accepts no responsibility for any errors or omissions, or results obtained from the use of information in this video.