The Student Room Group

Venoconstriction and Vasoconstriction

Does anyone know what the difference is? For A level Bio.

I'm thinking vaso is the contraction of all blood vessels in general, while veno is just the veins, but I'm not sure?
Reply 1
from GCSE PE i can only remember vasoconstriction and vasodilation :s-smilie:

sorry i can't help though :frown:
I've never actually heard the term 'venoconstriction' before, but logically what you've said makes sense. Vaso does apply generically to all blood vessels, and veno is definately the latin prefix for veins, so I'd make the same assumption that you have!
Reply 3
According to this site: http://www.fasthealth.com/dictionary/v/venoconstriction.php

Venoconstriction is the constriction of a vein and vasoconstriction of the blood vessels in general. So you were right!! =)

Good luck with your exams- which board are you sitting with? (im edexcel personally- exam on the 23rd!!!!)
venoconstriction is the localised constriction of just one vein.

It is controlled by hormones rather than nervous impulses
Vaso = artery
Veno = vein
Reply 6
Original post by Sophie7Morris
Vaso = artery
Veno = vein


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