Romer test(redirected from cocarde reaction)
a test of historical interest: tuberculin, either pure or diluted, is injected intracutaneously into a guinea pig; if the animal is tuberculous, a large papule with a necrotic hemorrhagic center appears in about 24 hours (cocarde or cockade reaction).
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Römer,Paul H., German bacteriologist, 1876-1916.
Römer test - for tuberculosis.
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