Alternative names
Acetylcholinesterase; RBC (or erythrocyte) cholinesterase; Pseudocholinesterase; Plasma cholinesterase; Serum cholinesterase

Definition

This is a test for the enzymes acetylcholinesterase (also known as RBC cholinesterase) and pseudocholinesterase (also known as butyrylcholinesterase or plasma cholinesterase) which act to break down acetylcholine, a chemical critical in the transmission of nerve impulses.

Acetylcholinesterase is found in nerve tissue and red blood cells, and pseudocholinesterase is found primarily in the liver.

see Acetylcholinesterase.

Medical Encyclopedia

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