Antiviral agent
Antiviral agent: A medication or another agent that kills viruses or inhibits their capability to reproduce.
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- Antonomasia
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
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 […]
- Antrum
Antrum: A general term for a nearly closed cavity or chamber. For example, the antrum of the stomach (gastric antrum) is a portion before the outlet, which is lined by mucosa and does not produce acid. The paranasal sinuses can be referred to as the frontal antrum, ethmoid antrum, and maxillary antrum.
- Ants, fire
Ants, fire: Originally from S. America. Among the worst insect pests ever to invade the U.S. Red or yellowish ants of small-to-medium size with a severe sting that burns like fire. They normally feed on small insects but, with denser populations, they eat seeds and seedling plants, damage grain and vegetable crops, invade kitchens, attack […]