tonin

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to·nin

(tō'nin),
An enzyme converting angiotensin I to angiotensin II, thus similar to or identical with angiotensin-converting enzyme.

tonin

an enzyme found in many tissues; can generate angiotensin II and bradykinin from their precursors; it appears to sustain blood pressure.
References in periodicals archive ?
Daily activities include Simmons' ``Sizzlin' Sweatin' and Tonin' '' workout and special seminars on exercise, self-image and healthy eating.