Red-eyed tree frog. Photo by Rhett Butler. In recognition of Amphibian Ark winning mongabay.com’s 2011 conservation award, our pictures of the day this week will focus on amphibians. The red-eyed tree ...
ADRENALINE is one of the most powerful inhibitors of tone in unstriated muscle; it is therefore expected to produce active relaxation. Active relaxation by adrenaline has been found in pieces of ...
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