MUSCLES OF THE ORBIT. 



179 



Insertion Passes forward and becomes aponeurotic, 

 and is inserted into the inner side of the sclerotic. 



Nerve Third. 

 SUPERIOR OBLIQUE. 



Origin Above the inner margin of optic foramen. 



Insertion Passes forward and inward ; becomes tendi- 

 nous. The tendon passes through a pulley at upper, 



FIG. 81. MUSCLES OF THE ORBIT. 



1, levator palpebne superioris ; 2, superior oblique ; 3, superior rectus ; 1, external rectus ; 

 5, inferior rectus. 



inner, anterior part of orbit; becomes muscular 

 again and passes outward and backward, and is 

 inserted into the upper part of the sclerotic, beneath 

 the superior rectus. 

 Nerve Fourth. 

 INFERIOR OBLIQUE. 



Origin Anterior and inner part of the orbital plate 

 of superior maxillary. 



