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Text replace - "[[Oral Cavity - Oropharynx - Anatomy & Physiology|" to "[[Oropharynx - Anatomy & Physiology|"
==Introduction==
==Introduction==
Deglutition is the process of swallowing. Food is passed from the [[Oral Cavity - Oropharynx - Anatomy & Physiology|oral pharynx]] into the oesophageal/[[Larynx - Anatomy & Physiology#Laryngeal Pharynx|laryngeal]] [[Pharynx - Anatomy & Physiology|pharynx]] whilst the [[epiglottis]] closes across the entrance of the [[Trachea - Anatomy & Physiology|trachea]].
Deglutition is the process of swallowing. Food is passed from the [[Oropharynx - Anatomy & Physiology|oral pharynx]] into the oesophageal/[[Larynx - Anatomy & Physiology#Laryngeal Pharynx|laryngeal]] [[Pharynx - Anatomy & Physiology|pharynx]] whilst the [[epiglottis]] closes across the entrance of the [[Trachea - Anatomy & Physiology|trachea]].
It is an involuntary reflex preventing food from passing into the [[Trachea - Anatomy & Physiology|trachea]] and thus preventing choking and respiratory pneumonia.
It is an involuntary reflex preventing food from passing into the [[Trachea - Anatomy & Physiology|trachea]] and thus preventing choking and respiratory pneumonia.
1. [[Mastication|Masticated]] and insalivated food is cupped by the [[Tongue - Anatomy & Physiology|tongue]] on its dorsal surface and the tip of the [[Tongue - Anatomy & Physiology|tongue]] pushes dorsally against the [[Soft Palate|soft palate]]
1. [[Mastication|Masticated]] and insalivated food is cupped by the [[Tongue - Anatomy & Physiology|tongue]] on its dorsal surface and the tip of the [[Tongue - Anatomy & Physiology|tongue]] pushes dorsally against the [[Soft Palate|soft palate]]
2. The jaws are closed. The mylohyoid, hyoglossal and stylohyoid mucles raises the [[Tongue - Anatomy & Physiology|tongue]] and pushes the bolus into the [[Oral Cavity - Oropharynx - Anatomy & Physiology|oropharynx]]. When the food touches the pharyngeal mucosa the swallowing reflex is initiated.
2. The jaws are closed. The mylohyoid, hyoglossal and stylohyoid mucles raises the [[Tongue - Anatomy & Physiology|tongue]] and pushes the bolus into the [[Oropharynx - Anatomy & Physiology|oropharynx]]. When the food touches the pharyngeal mucosa the swallowing reflex is initiated.
3. [[Oral Cavity - Oropharynx - Anatomy & Physiology|Oropharynx]] relaxes and [[Soft Palate|soft palate]] elevated by the levator velli palatini muscle. Pharyngeopalatine arch closes by palatopharyngeus.
3. [[Oropharynx - Anatomy & Physiology|Oropharynx]] relaxes and [[Soft Palate|soft palate]] elevated by the levator velli palatini muscle. Pharyngeopalatine arch closes by palatopharyngeus.
4. [[Hyoid Apparatus - Anatomy & Physiology|Hyoid]] moved rostro-dorsally by geniohyoid and pterygopharyngeus contracts bringing common [[Pharynx - Anatomy & Physiology|pharynx]] forward to engulf bolus.
4. [[Hyoid Apparatus - Anatomy & Physiology|Hyoid]] moved rostro-dorsally by geniohyoid and pterygopharyngeus contracts bringing common [[Pharynx - Anatomy & Physiology|pharynx]] forward to engulf bolus.