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.
Pharynx - See also. 1  Nasopharyngeal carcinoma. 2  Pharyngeal aspiration. 3  Pharyngeal consonant. 4  Pharyngeal (disambiguation) 5  Saccopharynx, a genus of deep sea eel-like fishes with large mouths, distensible stomachs and long scaleless bodies. 6  Salpinx in anatomy. 7  Tornwaldt cyst.