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hypophysis
hypopigmentation
hypopituitarism
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hypokalemia

hy·po·ka·le·mi·a [ hpō kə lmee ə ]


noun 
Definition:
 
low potassium levels in the blood: a lack of potassium in the blood, usually caused by excessive amounts of it being excreted, that leads to muscle weakness, heart irregularities, disorientation, and sometimes cardiac arrest

[Mid-20th century. <hypo- + modern Latin kalium "potassium" + Greek haima "blood"]
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