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Vasodilation: Difference between revisions
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'''Vasodilation''' refers to the widening of blood vessels resulting from the relaxation of smooth muscle cells within the vessel walls (in particular in the large veins, large arteries, and smaller arterioles). In essence, the process is the opposite of [[Physical effects: Vasoconstriction|vasoconstriction]], which is the narrowing of blood vessels. The primary function of vasodilation is to increase blood flow in the body to tissues that need it most. | '''Vasodilation''' refers to the widening of blood vessels resulting from the relaxation of smooth muscle cells within the vessel walls (in particular in the large veins, large arteries, and smaller arterioles). In essence, the process is the opposite of [[Physical effects: Vasoconstriction|vasoconstriction]], which is the narrowing of blood vessels. The primary function of vasodilation is to increase blood flow in the body to tissues that need it most. | ||
[[THC]] and other [[cannabinoids]] cause vasodilation by decreasing blood pressure; this dilates the blood vessels and increases blood flow throughout the body. The arteries in the eyeball expand from the decreased blood pressure and this often results in a bloodshot red eye effect and relief from glaucoma. <ref>Cardiovascular Effects of Cannabis | http://www.idmu.co.uk/canncardio.htm</ref> <ref>Is Marijuana an Effective Treatment for Glaucoma? | http://medicalmarijuana.procon.org/view.answers.php?questionID=000140</ref> | [[THC]] and other [[cannabinoids]] cause vasodilation by decreasing blood pressure; this dilates the blood vessels and increases blood flow throughout the body. The arteries in the eyeball expand from the decreased blood pressure and this often results in a bloodshot red eye effect and relief from glaucoma. <ref>Cardiovascular Effects of Cannabis | http://www.idmu.co.uk/canncardio.htm</ref> <ref>Is Marijuana an Effective Treatment for Glaucoma? | http://medicalmarijuana.procon.org/view.answers.php?questionID=000140</ref> | ||
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===See also=== | ===See also=== | ||
*[[Subjective effects index]] | *[[Subjective effects index]] | ||
Revision as of 15:49, 24 May 2014
Vasodilation refers to the widening of blood vessels resulting from the relaxation of smooth muscle cells within the vessel walls (in particular in the large veins, large arteries, and smaller arterioles). In essence, the process is the opposite of vasoconstriction, which is the narrowing of blood vessels. The primary function of vasodilation is to increase blood flow in the body to tissues that need it most.
THC and other cannabinoids cause vasodilation by decreasing blood pressure; this dilates the blood vessels and increases blood flow throughout the body. The arteries in the eyeball expand from the decreased blood pressure and this often results in a bloodshot red eye effect and relief from glaucoma. [1] [2]
See also
- Subjective effects index
- Psychedelics - Subjective effects
- Dissociatives - Subjective effects
- Deliriants - Subjective effects
References
- ↑ Cardiovascular Effects of Cannabis | http://www.idmu.co.uk/canncardio.htm
- ↑ Is Marijuana an Effective Treatment for Glaucoma? | http://medicalmarijuana.procon.org/view.answers.php?questionID=000140