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Angiotensin ii

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Angiotensin ii

(Science: chemical) The active form of angiotensin. An octapeptide found in blood, it is synthesised from angiotensin i and quickly destroyed. Angiotensin ii causes profound vasoconstriction with resulting increase in blood pressure. The clinically and experimentally used bovine form has valine in position 5 where the human form has isoleucine.

Pharmacological action: vasoconstrictor agents.

chemical name: angiotensin ii