178 PRACTICAL ANATOMY. 



ATTOLLENS AUREM. 



Origin Rudimentary. Aponeurosis of occipito- 

 frontalis. 



Insertion Upper part of pinna. 



Nerve Small occipital. 

 ATTRAHENS AUREM. 



Origin Rudimentary. Aponeurosis of occipito- 

 frontalis. 



Insertion Into the helix. 



Nerve Facial. 

 RETRAHENS AUREM. 



Origin Rudimentary. Mastoid portion of temporal. 



Insertion Posterior part of concha. 



Nerve Posterior auricular branch of facial. 



MUSCLES OF THE ORBIT. 

 SUPERIOR RECTUS. 



Origin Arises just above the optic foramen. 

 Insertion Passes forward and becomes aponeurotic, 



and is inserted into the upper part of sclerotic. 

 Nerve Third. 

 INFERIOR RECTUS. 



Origin Just below the optic foramen. 

 Insertion Passes forward and becomes aponeurotic, 

 and is inserted into the lower surface of the sclerotic. 

 Nerve Third. 

 EXTERNAL RECTUS. 



Origin By two heads: first, from outer and lower 

 edge of optic foramen ; second, lesser wing above 

 optic foramen. 

 Insertion Passes forward and becomes aponeurotic, 



and is inserted into the outer side of the sclerotic. 

 Nerve Sixth. 

 INTERNAL RECTUS. 



Origin Inner edge of optic foramen. 



