Heterologous /(?)/

Het·er·ol·o·gous

Heterologous

a.
  1. Characterized by heterology; consisting of different elements, or of like elements in different proportions; different; -- opposed to homologous; as, heterologous organs.

Phrases & Compounds
Heterologous stimulus
See under Stimulus.
Heterologous tumor
a tumor differing in structure from the normal tissues of the body.