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25 de may. de 2024 · Middle constrictor: This muscle arises from the greater and lesser horns of the hyoid bone and the stylohyoid ligament. The middle constrictor also inserts onto the median pharyngeal raphe, blending with superior and inferior constrictor fibers.
7 de may. de 2024 · Middle Constrictor Muscle: This muscle arises from the greater and lesser horns of the hyoid bone and the stylohyoid ligament. It also inserts into the median pharyngeal raphe, intermingling with fibers from the superior and inferior constrictors.
- Toai Bui, Joe M. Das
- 2024/05/07
14 de may. de 2024 · The hyoid bone is located in the mid-neck, above the thyroid cartilage, anterior to the pharynx. It is divided into 5 parts: body with a transverse ridge running along its superior anterior surface and an incomplete vertical ridge in the midline on its superior anterior surface.
Hace 4 días · pharyngeal branches: are three or four filaments which unite, opposite the middle pharyngeal constrictor with the pharyngeal branches of the vagus and sympathetic nerves, to form the pharyngeal plexus: branches from this plexus perforate the muscular coat of the pharynx and supply its muscles and mucous membrane
7 de may. de 2024 · Summary. location: within the external fascia of the pharynx 3, mainly over the middle pharyngeal constrictor on the posterolateral wall of the pharynx 4. origin and course: it is formed from the union of branches from the vagus nerve, glossopharyngeal nerve and cervical sympathetic nerves 4,5. branches and supply.
27 de may. de 2024 · The contour of the superior pharyngeal constrictor includes the caudal tips of the pterygoid plates, extending through the upper edge of the hyoid bone. The middle pharyngeal constrictor was contoured from the upper to lower edge of the hyoid bone.
7 de may. de 2024 · Pharyngoesophageal dysphagia is characterized by dysfunction of the pharyngoesophageal segment (PES), defined superiorly by the middle and inferior constrictors, the cricopharyngeus muscle (CP), and inferiorly by the circular and longitudinal esophageal muscles.
