TECHNIQUE OF EYE DISSECTIONS 



From the puncta lacrimalia to the place of 

 meeting of the two needles, marks the course 

 of the two canaliculi and their junction before 

 they merge and form the nasal duct. Leave 

 the needles where they are, and begin cutting 

 away the skin. The needles will then mark 

 the course of each canal and the duct very 

 plainly. With the small scissors the canals 

 and the duct may be loosened from the sur- 

 rounding tissues. Or, the scalpel may be used 

 to lay open the canals, cutting along over the 

 top of the needles. (Fig. 46.) 



The cilia, palpebrae, palpebral conjunctiva, 

 ocular conjunctiva, and other superficial ocular 

 accessories may be examined without dissec- 

 tion. 



95 



