What term describes a color that results from deficient blood supply, causing the skin to appear pale?

The term that describes a color resulting from deficient blood supply, which causes the skin to appear pale, is pallor. Pallor manifests when there is a reduction in blood flow or a decrease in the number of red blood cells in the bloodstream, leading to a lighter appearance of the skin. This condition can be associated with various medical issues, including anemia, shock, or peripheral vascular disease, and indicates that tissues are not receiving an adequate oxygen supply.

Rubor refers to a redness of the skin often associated with inflammation or increased blood flow to an area, while cyanosis describes a bluish discoloration that occurs due to inadequate oxygenation of the blood. Hyperemia is a condition characterized by excessive blood flow to a particular area, which also does not fit the description of a pale appearance resulting from insufficient blood supply. Thus, the definition and implications of pallor distinctly align with the effects of inadequate blood supply on skin color.