[ kuh-kek-tin ]

  1. Biochemistry, Immunology. a protein that is released by activated macrophages as an immune system defense and, when the defense is overwhelmed, is a cause of cachexia or toxic shock: in humans, identical with tumor necrosis factor.

Origin of cachectin

<Greek kachekt(ikós) unwell (see cachexia, -tic) + -in2

Words Nearby cachectin Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024