👉 A coctoantigen is a type of antigen that appears on the surface of certain types of amoebae, including those found in the human gut. These amoebae are known as "cocteau" or "cocteau-like" parasites and they often infect the intestines of humans. Coctoantigens can be produced by various types of amoeba, such as amoeboid cysts and ciliates, and they can also be produced by