About The Medical Condition PCA

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Find the definition of the medical term PCA. PCA defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.

PCA

PCA Medical Condition Defined & Explained
PCA Medical Condition

What's The Definition Of The Medical Condition PCA?

An evanescent cutaneous reaction occurring when antibody is injected into a local area on the skin and antigen is subsequently injected intravenously along with a dye. The dye makes the rapidly occurring capillary dilatation and increased vascular permeability readily visible by leakage into the reaction site. PCA is a sensitive reaction for detecting very small quantities of antibodies and is also a method for studying the mechanisms of immediate hypersensitivity.

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