What is the Origin of Palatopharyngeus Muscle?
Palatal Aponeurosis
What is the Action of Palatopharyngeus Muscle?
Raise pharynx and larynx during swallowing
What is the Origin of Salpingopharyngeus Muscle?
Cartilage of Eustachian Tube
What is the Innervation of Salpingopharyngeus Muscle?
CN XI (via X) (pharyngeal plexus)
What is the Insertion of Cricopharyngeus Muscle?
Midline Raphe
What is the Innervation of Inferior Constrictor Muscle?
Sensory: CN X, Motor: CN XI (via X)
What is the Origin of Middle Constrictor Muscle?
Hyoid bone (greater and lesser horns)
What is the Origin of Cricopharyngeus Muscle?
Lower fibers of inferior constrictor
What is the Insertion of Palatopharyngeus Muscle?
Posterolateral Pharynx
What is the Action of Salpingopharyngeus Muscle?
Elevate nasopharynx, open auditory tube, equalize pressure between pharynx and auditory canal
What is the Innervation of Palatopharyngeus Muscle?
CN XI (via X) (pharyngeal plexus)
What is the Origin of Inferior Constrictor Muscle?
Thyroid and Cricoid Cartilages
What is the Action of Middle Constrictor Muscle?
Contract in waves (to propel food)
What is the Innervation of Cricopharyngeus Muscle?
Sensory: CN X . Motor: CN XI (via X)
What is the Insertion of Salpingopharyngeus Muscle?
Palatopharyngeus muscle
What is the Insertion of Inferior Constrictor Muscle?
Midline Pharyngeal Raphe
What is the Innervation of Middle Constrictor Muscle?
Sensory: CN X , Motor: CN XI (via X)
What is the Action of Cricopharyngeus Muscle?
Constant contraction (serves as UES).
What is the Insertion of Middle Constrictor Muscle?
Midline pharyngeal raphe (posteriorly)
What is the Action of Inferior Constrictor Muscle?
Contract in waves (to propel food)
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