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E

Term Definition
Electrolytes

Any of various ions, such as sodium or chloride, required by cells to regulate the electric charge and flow of water molecules across the cell membrane. The primary ions of electrolytes are sodium, potassium, calcium, magnesium, chloride, phosphate and bicarbonate.

Encephalopathy

Caused by an abnormal condition of the structure or function of the tissues in the brain, especially chronic, destructive or degenerative conditions such as hyperammonemia, metabolic or mitochondrial disorders.

Enzymatic Assay

laboratory methods for measuring enzymatic activity.

Enzyme

A protein molecule that helps other organic molecules enter into chemical reactions with one another but is itself unaffected by these reactions.

Etiology

The origins of a disease.

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