60 



THE EYE. 



appearance of structure ; but, flattened against its inner surface, are generally to be 

 seen a number of granular nucleated corpuscles (leucocytes) which exhibit amoe- 

 boid movements. The zonula, on the other hand, is composed of or at least con- 



1TPITHELIUM 

 CONJUNCTIV/E" 



_ CAMALtS 

 ""SCHLEMMII 



MUSCULUS 

 CILIARIS 



OURAU SHEATH 



Fig. 69. RIGHT ADULT HUMAN EYE, DIVIDED HORIZONTALLY THROUGH THE MIDDLE. 



(E. A. S.) Magnified 5 times. 

 The line a 6 passes through the equator, x y through the visual axis of the eye. 



tains radiating meridional fibres, stiff in appearance but possessed of considerable 

 elasticity ; they commence opposite the ora serrata, and are firmly adherent here to 

 the pars ciliaris retinae. Over the ciliary body the adhesion, as just stated, is firm 

 to the elevations of that body (ciliary processes), so that when the zonula is torn away 



