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30 paź 2023 · The pharyngeal constrictor muscles encircle the pharynx and larynx. They run from an anterior origin to meet posteriorly in the midsagittal plane, forming a semi-circular tube. The middle pharyngeal constrictor is a fan-shaped muscle that has two points of origin.
3 lut 2023 · The middle pharyngeal constrictor is a muscle of the pharynx. It is the middle of the three pharyngeal constrictor muscles, and is located within the laryngopharynx. Attachments: Originates from the stylohyoid ligament and the hyoid bone. It inserts posteriorly onto the pharyngeal raphe. Action: Constricts the wall of the pharynx during ...
The middle pharyngeal constrictor originates from the greater cornu and lesser cornu of the hyoid bone, and the stylohyoid ligament. It inserts onto the pharyngeal raphe. It is innervated by a branch of the vagus nerve through the pharyngeal plexus.
30 paź 2023 · The middle pharyngeal constrictor muscle proximally attaches to the stylohyoid ligament and the greater and lesser cornu of the hyoid bone. It distally attaches to the median pharyngeal raphe, as does the inferior pharyngeal constrictor muscle.
1 maj 2023 · The middle constrictor pharyngeal muscle (MCPM) originates from the stylohyoid ligament and the greater and lesser horns of the hyoid bone. It fans out to attach along the pharyngeal raphe, but this muscle rarely reaches the top of the pharynx (superiorly) or thyroid cartilage (inferiorly).
25 maj 2024 · The superior constrictor inserts onto the pharyngeal tubercle of the skull base and the pharyngeal raphe, a midline tendinous seam where the constrictor muscles converge. Contraction of this muscle narrows the upper pharyngeal segment and closes the nasopharynx during swallowing.
Action: Swallowing. Description: The Middle constrictor (Constrictor pharyngis medius) is a fanshaped muscle, smaller than the preceding. It arises from the whole length of the upper border of the greater cornu of the hyoid bone, from the lesser cornu, and from the stylohyoid ligament.
