Also known as: ACH-
ACH has various meanings in the Health category. Discover the full forms, definitions, and usage contexts of ACH in Health.
Achalasia is a failure of smooth muscle fibers to relax, which can cause a sphincter to remain closed and fail to open when needed. Without a modifier, achalasia usually refers to achalasia of the esophagus, which is also called esophageal achalasia, achalasia cardiae, cardiospasm, and esophageal aperistalsis.
HealthAcetylcholinesterase, also known as AChE or acetylhydrolase, is the primary cholinesterase in the body. It is an enzyme that catalyzes the breakdown of acetylcholine and of some other choline esters that function as neurotransmitters.
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