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 is a tubular part of the respiratory system which allows the passage of air into lungs. It is located behind the nasal and oral cavities. Pharynx is connected to the skull cavity by means of muscles and connective tissues. The different parts of pharynx are as follows: 1.