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Superior pharyngeal constrictor muscle information


Superior pharyngeal constrictor muscle
Muscles of the pharynx and cheek.
Muscles of the pharynx, viewed from behind, together with the associated vessels and nerves.
Details
OriginMedial pterygoid plate, pterygomandibular raphé, alveolar process
InsertionPharyngeal raphe, pharyngeal tubercle
ArteryAscending pharyngeal artery and tonsillar branch of facial artery
NervePharyngeal plexus of vagus nerve
ActionsSwallowing
Identifiers
Latinmusculus constrictor pharyngis superior
TA98A05.3.01.103
TA22179
FMA46621
Anatomical terms of muscle
[edit on Wikidata]

The superior pharyngeal constrictor muscle is a quadrilateral muscle of the pharynx. It is the uppermost and thinnest of the three pharyngeal constrictors.[citation needed]

The muscle is divided into four parts according to its four distincts origins: a pterygopharyngeal, buccopharyngeal, mylopharyngeal, and a glossopharyngeal part. The muscle inserts onto the pharyngeal raphe, and pharyngeal spine. It is innervated by pharyngeal branch of the vagus nerve via the pharyngeal plexus. It acts to convey a bolus down towards the esophagus, facilitating swallowing.

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Superior pharyngeal constrictor muscle

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Pterygomandibular raphe

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mandible. It gives attachment to the buccinator muscle (in front), and the superior pharyngeal constrictor muscle (behind). The pterygomandibular raphe is a...

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the glossopalatine arches, and with the pharynx by the superior pharyngeal constrictor muscle and the mucous membrane. It also forms the anterior wall...

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Pharyngobasilar fascia

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needed] It is formed as a thickening of the pharyngeal mucosa superior to the superior pharyngeal constrictor muscle. It attaches to the basilar part of occipital...

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Levator veli palatini

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origin to its insertion, the muscle passes medial to the superior margin of the superior pharyngeal constrictor muscle. It lies lateral to the choana...

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Pharyngeal plexus of vagus nerve

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middle pharyngeal constrictor muscle. It has the following components: Motor – pharyngeal branch of vagus nerve (CN X) which arises from the superior portion...

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Pharyngeal raphe

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part of the inferior pharyngeal constrictor muscle, middle pharyngeal constrictor muscle, superior pharyngeal constrictor muscle).[verification needed]...

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Parapharyngeal abscess

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pharyngomaxillary space), which is lateral to the superior pharyngeal constrictor muscle and medial to the masseter muscle. This space is divided by the styloid process...

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Pharyngeal

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pharyngeal constrictor muscle Middle pharyngeal constrictor muscle Inferior pharyngeal constrictor muscle Pharyngeal artery Pharyngeal slit Pharyngeal tonsil...

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Pharyngeal tubercle

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foramen magnum. The pharyngeal tubercle gives attachment to the pharyngeal raphe and, thereby, the superior pharyngeal constrictor muscle which forms it....

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Mylohyoid line

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posterosuperiorly. It is the site of origin of the mylohyoid muscle, the superior pharyngeal constrictor muscle, and the pterygomandibular raphe. The mylohyoid line...

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Tonsillar artery

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styloglossus muscle, the tonsillar artery penetrates the superior pharyngeal constrictor muscle to enter the pharynx and reach the palatine tonsil. The...

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Styloglossus

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[citation needed] and between the superior pharyngeal constrictor muscle and the middle pharyngeal constrictor muscle. It divides upon the side of the...

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Parotid gland

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relations: The parotid gland comes into contact with the superior pharyngeal constrictor muscle at the medial border, where the anteromedial and posteromedial...

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gives branches to pharyngeal plexus and the superior portion of the inferior pharyngeal constrictor, and communicates with the superior cardiac nerve behind...

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Stylopharyngeus muscle

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large number of muscles attach to the hyoid: Superior Middle pharyngeal constrictor muscle Hyoglossus muscle Genioglossus Intrinsic muscles of the tongue...

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and sternothyroid muscles. To its medial side are the inferior pharyngeal constrictor muscle and the external branch of the superior laryngeal nerve. It...

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Buccopharyngeal fascia

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pretracheal fascia (visceral fascia). It covers the superior pharyngeal constrictor muscles, and buccinator muscle. The buccopharyngeal fascia is a thin lamina...

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Mandible

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mylohyoid line, where the mylohyoid muscle attaches; a small part of the superior pharyngeal constrictor muscle attaches to the posterior ridge, near...

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Recurrent laryngeal nerve

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inferior pharyngeal constrictor muscle. The recurrent laryngeal nerves control all intrinsic muscles of the larynx except for the cricothyroid muscle. These...

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Swallowing

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by pharyngeal peristalsis which takes place by sequential contraction of the superior, middle and inferior pharyngeal constrictor muscles (pharyngeal plexus—IX...

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Velopharyngeal insufficiency

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of mucosa and the superior pharyngeal constrictor muscle. The muscle stays attached to the pharyngeal wall at the upper side (superior flap) or at the lower...

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Inferior thyroid artery

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inferior pharyngeal constrictor muscle to reach the posterior surface of the larynx.[citation needed] At the inferior border of the inferior pharyngeal constrictor...

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