MYOLOGY. 55 



OCCIPITO- STYLOID. 



Origin. — Styloid process of occipital. 



Insertion. — Horizontal portion of posterior border of the styloid 

 bone. 



Action. — Depresses inferior extremity of hyoid. 

 Nerve. — Facial. 



TRANSVERSUS HYOIDEL 



Runs between superior extremities of styloid corniia. 

 Action. — Approximates styloid cornua. 

 Nerve. — Hypoglossal. 



TONGUE. 



STYLO- GLOSSUS. 



Origin. — Outer surface of lower extremity of styloid bone. 

 Insertion. — Side and tip of tongue. 



Action. — Pulls tongue up and backward or to one side alone. 

 NeiiJe. — Hypoglossal. 



HYO- GLOSSUS MAXIMUS. 



Origin. — Side of appendix, body and great cornua of hyoid. 



Ifisertion. — Lateral borders of tongue. 



Action. — Retracts tongue and depresses its base. 



GENIO-GLOSSUS. 



Origin. — Posterior surface of body of lower jaw, near symphysis. 



Insertion. — Under surface of tongue. 



Action. — Pulls tongue forward or depresses it. 



Nerve. — Hypoglossal. 



HYO-GLOSSUS MINIMUS. 



Origin. — Body of hyoid near small branch. 

 Insertion. — Into base of tongue. 

 Action. — Contracts and retracts tongue. 



PALATE. 



PALATO-GLOSSUS. 



Origin. — From lateral wall of pharynx. 



Insertion. — Into side of tongue between hyo- and genio-glossi. 

 Action. — Elevates tongue. 



Nerve. — Superior maxillary division of fifth and Meckel's 

 ganglion. 



