The combining form hydr/o refers to which substance?

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Multiple Choice

The combining form hydr/o refers to which substance?

Explanation:
In medical terminology, hydr/o denotes water, originating from the Greek hydor meaning water. That combining form is used to form terms related to water or fluids, such as hydration, hydrotherapy, or hydrocele. So the substance described by hydr/o is water. It’s not blood, pus, or a vein, which are indicated by different roots (blood = sanguin/o or hem/o; pus = pyo-; vein = ven/o).

In medical terminology, hydr/o denotes water, originating from the Greek hydor meaning water. That combining form is used to form terms related to water or fluids, such as hydration, hydrotherapy, or hydrocele. So the substance described by hydr/o is water. It’s not blood, pus, or a vein, which are indicated by different roots (blood = sanguin/o or hem/o; pus = pyo-; vein = ven/o).

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