Amoebina is a biological term used to describe a type of single-celled organism that moves by extending pseudopods, or temporary extensions of the cell that act as limbs. Some synonyms for amoebina include Protozoa, amoeba, protozoon, and amoeboid. These organisms are characterized by their unique cellular structure and are commonly found in freshwater, soil, and marine environments. Other synonyms for amoebina include unicellular, moneran, and protoctist. While many species of amoebina are harmless, some can cause diseases in humans and animals, making it important to handle them with care and appropriate safety precautions.