The word throat is used for the parts of the neck anterior to the vertebral column, especially the pharynx and the larynx. The pharynx is the part of the digestive system situated posterior to the nasal and oral cavities and posterior to the larynx.
Swallowing , sometimes called deglutition in scientific contexts, is the process in the human or animal body that allows for a substance to pass from the mouth , to the pharynx , and into the esophagus , while shutting the epiglottis. Swallowing is an important part of eating and drinking.
This article is explains the background, grading an embryology of laryngeal clefts. Furthermore it describes possibles associations with other disorders and shows what methods can be used to repair the laryngeal clefts after a proper diagnosis.
During swallowing, the airway is protected from aspiration of ingested material by brief closure of the larynx and cessation of breathing. Mechanoreceptors innervated by the internal branch of the superior laryngeal nerve ISLN are activated by swallowing, and connect to central neurones that generate swallowing, laryngeal closure and respiratory rhythm.
Eating and swallowing are complex behaviors involving volitional and reflexive activities of more than 30 nerves and muscles. They have two crucial biological features:
The results were analyzed for comparison of the pharyngeal residue in the improved group and the non-improved group. A total of 59 patients concluded the test, in which 42 patients improved well enough to change the dietary methods while 17 did not improve sufficiently.
