A unit of measurement or a reference point relating to blood or blood pressure; also, an instrument for measuring blood properties.
From Greek haima 'blood' with the suffix -ad, indicating a unit or relationship. The -ad suffix often creates abstract nouns or units in medical and scientific terminology.
Hemad might seem like an obscure medical term, but it represents how doctors tried to create a standardized language for measuring the unmeasurable—turning blood's properties into numbers!
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