Avian Botulism (Limberneck Disease). Posted on August 21, 2014 - 3:36pm. Avian Botulism is a paralytic, often fatal disease of wild and domestic birds resulting from the ingestion of a toxin produced by the bacterium Clostridium. Environmental studies have found seven toxins produced by botulinum bacterium; two of which, Types C & E, commonly cause mortality.
Definition of pharynx for English Language Learners. medical : the part inside your mouth where the passages of the nose connect to your mouth and throat.
The pharynx is the part of the throat that lies between the mouth and the larynx or voice box.Mentioned in: Sore Throat, Swallowing Disorders, Velopharyngeal Insufficiency. , pl. pharynges (far'ingks, fÄ-rin'jÄz) [TA].n swallowing, the uvula lifts up, closing off the nasopharynx as food passes from the mouth through the lower parts of the pharynx to the esophagus. On each side of the entrance to the pharynx from the mouth, and behind the nasal passage, are the tonsils and adenoids, masses of lymphoid tissue.