Antivenin: Antibodies created in the blood of a horse or sheep when the animal is injected with snake venom. Antivenin acts by neutralizing snake venom that has entered the body. Also called antivenom, snake antivenin, or snake antivenom.
Other spellings: antivenom
Antiviral: An agent that kills a virus or that suppresses its ability to replicate and, hence, inhibits its capability to multiply and reproduce. For example, amantadine (Symmetrel) is a synthetic antiviral. It acts by inhibiting the multiplication of the influenza A virus. It was used to lessen the severity of the disease, particularly in individuals […]
- Antiviral agent
Antiviral agent: A medication or another agent that kills viruses or inhibits their capability to reproduce.
Antonomasia: 1. The substitution of a title for a proper name, as in addressing a physician as “Doctor” or a nurse as “Nurse.” 2. The substitution of a personal name for a noun to designate a member of a group or class, as in calling a geneticist a Mendelist (after Gregor Mendel, who discovered the […]
Antonomastic: Concerning, pertaining to, or characteristic of antonomasia. See also: Antonomasia.
- Antro-duodenal motility study
A study used to detect and record the contractions of the muscles of the stomach and duodenum in order to diagnose motility disorders of the stomach and small intestine. A tube is passed through the nose, throat, esophagus, and stomach, until the tip lies in the small intestine. The tube senses when the muscles of […]