n. a biological variable which accompanies a condition or disease, regardless of whether or not it directly or indirectly causes the disorder. See biochemical marker- also clinical marker.

BIOLOGICAL MARKER: "A variable such as hemoglobin in red blood cells or myoglobin in muscle fibers can serve as a biological marker."
Cite this page: N., Pam M.S., "BIOLOGICAL MARKER," in, April 7, 2013, (accessed September 26, 2020).