MUSCLES OF THE NECK. 187 



passes through the stylo-hyoid muscle, by which it 

 is held against the hyoid bone. 

 Insertion Is inserted into the digastric depression of 



the posterior surface of the symphysis menti. 

 Nerves Inferior maxillary and facial. 

 STYLO-HYOID. 



Origin Styloid process. 



Insertion At junction of body and greater cornu of 



hyoid. 



Nerve Facial. 

 GENIO-HYOID. 



Origin Inferior genial tubercle. 

 Insertion Central part of body of hyoid. 

 Nerve Hypoglossal. 

 MYLO-HYOID. 



Origin Mylo-hyoid ridge for its entire length. 

 Insertion Body of os hyoides and central raphe. 

 Nerve Inferior dental. 

 GENIO-HYOGLOSSUS. 



Origin Superior genial tubercle ; body of hyoid near 



the centre ; it spreads out fan-like. 

 Insertion Inserted into the under surface of tongue, 



from tip to base. 

 Nerve HyjDpglossal. 



HYOGLOSSUS. 



Origin Side of body, lesser cornu, and full length 



of greater cornu of hyoid bone. 

 Insertion Inserted into the under surface of the side 



of the tongue. 

 Nerve Hypoglossal. 



LlNGUALIS. 



Origin and Insertion Runs along under surface of 

 tongue from base to tip ; lies between the hyoglossus 



