The pharynx - pharyngeal constrictor muscle Origin: hyoid...

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The pharynx Muscles of the Pharynx The three muscles of the pharynx are: The Superior Constrictor The Middle Constrictor The Inferior Constrictor The Superior Constrictor The superior pharyngeal constrictor muscle is a quadrilateral muscle that has multiple origins and insertions Origin: medial pterygoid plate, pterygomandibular raphé, alveolar process Insertion: pharyngeal raphe, pharyngeal tubercle Innervation: Cranial part of the Accessory Nerve (CN XI) Action: Aids in swallowing The Middle Constrictor The middle pharyngeal constrictor is a fan shaped muscle, smaller than the Inferior
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Unformatted text preview: pharyngeal constrictor muscle Origin: hyoid bone Insertion: pharyngeal raphe Innervation: pharyngeal plexus Action: Aids in swallowing The Inferior Constrictor The Inferior pharyngeal constrictor is the thickest of the three constrictors Origin: cricoid and thyroid cartilage Insertion: pharyngeal raphe Innervation: external branch of the laryngeal branch of the Vagus (CN X) Action: Aids in swallowing...
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The pharynx - pharyngeal constrictor muscle Origin: hyoid...

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