Pharyngeal muscles

Pharyngeal muscles

ACTIONS OF THE PHARYNGEAL MUSCLES During swallowing, successive contraction of the superior, middle, and inferior constrictor muscles helps to propel.
Muscles of the Pharynx Circular muscles Muscle - Superior constrictor Origin - Medial pterygoid plate; pterygoid hamulus; pterygomandibular.
Description. The pharyngeal muscles are a group of muscles that act upon the pharynx. Pharyngeal muscles contracts pushing the food into the esophagus.

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They are stacked like glasses and are an incomplete muscular circle, anteriorly attaching to structures in the neck. The superior pharyngeal constrictor muscle originates from the pterygoid hamulus , the pterygomandibular raphe, the retromolar trigone of the mandible and the side of the tongue. This information is intended for medical education, and does not create any doctor-patient relationship, and should not be used as a substitute for professional diagnosis and treatment. Clinical Relevance: Pharyngeal Diverticulum Pouch. Original Author : Nandhaa Pazhaniappan. Pharyngeal muscles Michael Schuenke et al. If you do not agree to the foregoing terms and conditions, you should Pharyngeal muscles enter this site. Between the Pharyngeal muscles constrictor muscle and the skull, the levator palatini musclethe auditory willy wonka harbor playhouse and the ascending palatine artery pass. By using this site, you agree to the Terms of Use and Privacy Policy. Rectus capitis lateralis muscle. This can cause deviation of the uvula, known as quinsy. The motoric branches come from the pharyngeal plexus and carry fibers from the vagus nerve CN X from the cranial root of the accessory nerve CN XI to all the pharyngeal muscles, save the stylopharyngeus muscle.

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These muscles are known as the stylopharyngeus , the palatopharyngeus and the salpingopharyngeus. There are no threads for this page.. This can lead to chronic otitis media with effusion, colloquially known as glue ear. Normally during swallowing , the thryopharyngeus contracts as the cricopharyngeus relaxes, allowing the bolus of food to be propelled into the oesophagus and preventing the intrapharyngeal pressure form rising. Create a book Download as PDF Printable version. Innervation of the majority of the pharynx is achieved by the pharyngeal plexus , which comprises of: Sensory : Each of the three sections of the pharynx have a different innervation: Motor : All the muscles of the pharynx are innervated by the vagus nerve CN X , except for the stylopharyngeus, which is innervated by the glossopharyngeal nerve CN IX.