View source for AUTOREGULATION-HISTAMINE

===== [[Summary Article|'''SUMMARY''']] =====
1. Derived from histidine, found in granules of basophils &amp; mast cells.
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<br/>2. Released in response to trauma &amp; allergic reactions.
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<br/>3. Functions: visceral smooth muscle contraction, vascular smooth muscle relaxation (through the action of NO), vasodilation, increased capillary permeability, attracts leukocytes.


==Reference(s)==
Barrett, K.E., Barman, S.M., Brooks, H.L., X, J. and Ganong, W.F. (2019). Ganong’s review of medical physiology. 26th ed. New York: Mcgraw-Hill Education 

[[Category:Autoregulation]]
[[Category:Physiology]]