antigen is any substance capable of inducing a specific immune response and of reacting with the products of that response, i.e., with specific antibody or specifically sensitized T lymphocytes, or both.
 autologous means obtained from the same individual.
  • Brainly User

This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Antigens are agents that are capable of eliciting an immune response in our body. Mostly they are foreign agents.The antigen may originate from within the body ("self") or from the external environment ("non-self"). The antigens that are produced by our body itself are called autologous antigens.