carbonic an·hy·drase -an-'hī-.drās, -.drāz n a zinc-containing enzyme that occurs in living tissues (as red blood cells) and aids carbon-dioxide transport from the tissues and its release from the blood in the lungs by catalyzing the reversible hydration of carbon dioxide to carbonic acid
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car·bon·ic an·hy·drase (kahr-bonґik an-hiґdrās) carbonate dehydratase.Medical dictionary. 2011.