heterogenetic antigen

Now, preventive protocols—like mammograms, colonoscopies, and Prostate-Specific Antigen tests—are being questioned.

At the time his PSA screening revealed only a slightly higher level of the antigen than the cut-off for his age group.

The two heterogenetic generations are very different in the parasitic suctorial worms (trematodes).

Ford claims to have obtained proof that a glucoside contained in the poisonous mushroom Amanita phalloides can act as an antigen.