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Information about Vasoconstriction

Vasoconstriction is a narrowing of the lumen of blood vessels.

Factors

Factors that trigger vasoconstriction are both of exogenous origin, i.e. medication, and as a response from the body itself.

Body mechanisms

Vasoconstriction is a procedure of the body to e.g. avoids orthostatic hypotension.

Medication

Main article: Vasoconstrictor

Effects

Vasoconstriction can be a contributing factor to erectile dysfunction.[1]

References

1. ^ Richard Milsten and Julian Slowinski, The sexual male, W.W. Norton Company, New York, London (1999) ISBN 0-393-04740-7
A lumen (pl. lumina) is an inner space, lining or cavity.
  • The interior of a vessel within the body, such as the small central space in an artery or vein, or any of their relating vessels through which blood flows.

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MeSH D007024 Orthostatic hypotension (also known as postural hypotension, orthostatic intolerance and, colloquially, as head rush or a dizzy spell
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A vasoconstrictor, also vasopressor or simply pressor, is any substance that acts to cause vasoconstriction (narrowing of the lumena of blood vessels) and usually results in an increase of the blood pressure.
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MeSH D007172 Erectile dysfunction (ED or (male) impotence) is a sexual dysfunction characterized by the inability to develop or maintain an erection of the penis.
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Male (♂) refers to the sex of an organism, or part of an organism, which produces small mobile gametes, called spermatozoa. Each spermatozoon can fuse with a larger female gamete or ovum, in the process of fertilisation.
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