Abstract
Incubates of morphine with serum globulins obtained from sera of rabbits immunized with a morphine-bovine serum albumin conjugate produced immediate Schultz-Dale contractions when added to superfused, electrically stimulated guinea-pig ileal strips. Incubates of morphine with Krebs-Henseleit solution produced relaxation and depression of tone, and inhibition of electrically induced contractions. It is concluded that the spasm of guinea-pig ileum produced by incubates containing morphine-binding serum globulins and morphine resulted from transient passive sensitization and an acute anaphylactic type of response.
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Selected References
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