Which term describes the redness of the skin?

The term that describes the redness of the skin is erythema. Erythema occurs due to increased blood flow to the skin, often resulting from inflammation, infection, or other physiological responses. It is a common clinical sign observed in various conditions, such as sunburn, allergic reactions, or infections, and serves as an important indicator for healthcare providers when assessing a patient's health status.

The other terms are related to different medical concepts. Hemorrhage refers to the escape of blood from a ruptured blood vessel, hypertension involves elevated blood pressure, and hepatomegaly indicates an enlargement of the liver. Each of these terms describes different bodily conditions and does not pertain to skin redness.