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 a tube-like structure that connects the nasal and oral cavities to the larynx. Its function is to provide a passageway for the respiratory and digestive tracts. â¦ It has to coordinate both inspiration and swallowing while eating, or else aspiration and death may result.