Laryngeal muscles and membranes, Muscles of the soft palate and the pharynx Flashcards
What are the attachments of superior constrictor ?
arises from the Pterygomandibular raphe , alveolar process of the mandible and the medial pterygoid plate and inserts into the pharyngeal raphe
What are the attachments of Middle constrictor ?
Arises from the stylohyoid ligament and the bony interval between the greater and lesser cornu and inserts into the pharyngeal raphe
What are the attachmenets of thyropharyngeus ?
Arises from the oblique line of the thyroid cartilage and inserts into the pharyngeal raphe
What are the attachments of cricopharyngeus ?
Arises from the cricoid lamina and inserts into the pharyngeal raphe
What is the innervation of the circular constrictor muscles ?
pharyngeal plexus of the vagus
What are the attachments of Stylopharyngeus ?
Arises from the styloid process and inserts into the hyoid bone and the thyroid cartilage
What is the role of the stylophaaryngeus ?
elevate the pharynx
What are the attachments of palatopharyngeus ?
Arises from the opening of the opening of the auditory tube and the palatine aponeurosis and inserts into the thyroid cartilage and the hyoid bone
What are the attachments of the salpingopharyngeus ?
arises from the opening of the auditory tube and inserts into the fibres of palatopharyngeus
What is the innervation of the longitudinal muscles of the pharynx ?
pharyngeal plexus of the vagus
EXCEPT for stylopharyngeus which is glossopharyngeal
What is the role of palatopharyngeus ?
elevate the pharynx and the larynx
seal the oral cavity from the oropharynx
What is the role of the salpingopharyngeus ?
control the opening and closing of the auditory tube
What are the attachments of palatopharyngeus ?
Arises from the opening of the auditory tube and the palatine aponeurosis and inserts into the thyroid cartilage and the hyoid bone
What are the attachments of palatoglossus ?
arises from the palatine aponeurosis and inserts into the lateral aspect of the tongue
What are the attachments of levator veli palatini ?
Arises from the opening of the auditory tube and the petrous part of the temporal bone and inserts into the palatine aponeurosis
What is the role of levator veli palatini ?
contract to raise the soft palate and seal the nasopharynx from the oropharynx q
What are the attachments of tensor veli palatini ?
Arises from the scaphoid fossa, medial pterygoid plate and the opening of the auditory tube and inserts into the tendon that spread across the hamulus
What are the attachments of musculus uvulae ?
Arises from the posterior nasal spine and inserts into the uvula
What is the role of the musculus uvuluae ?
Seal the nasopharynx
What is the innervation of the muscles of the soft palate ?
Pharyngeal plexus of the vagus EXCEPT for tensor veli palatini which is innervated by v3 from the otic ganglion