DISSECTION OF THE HEAD AND NECK 



377 



with the probe or the blunt point of the closed forceps; on 

 breaking through this resistance the so-called " aqueous humor" 

 escapes. To separate completely the posterior segment of the 

 sclera from the rest of the eyeball, cut through the fibres of the 



FIG. 180. 



Sinew radiation of the M. rectus superior __ 



Sclera 



Aa. and Vv. ciliares anteriores 

 Circulus arteriosus major |, 



Angulus iridis 



Sinus venosus sclerae 

 (canalis Schlemmi) 



Conjunctiva bulbi .._ 



Episcleral connective 

 tissue with Aa. and Vv 



episclerales 

 Lig. pectinatum iridis 



Rima cornealis (groove 

 for the cornea) _ 



Limbus corneae 



(border of the 



cornea) 



Iris (facies._ 



anterior) 



Camera oculi 



anterior 

 Cornea (sub- 

 stantia propria 



Facies posterior 

 corneae 

 Epithelium 



corneae 



Lamina elastica 

 anterior fBow- 



mani] 



Lamina elastica posterior [Bes- 

 eemed] with the M. endo- 

 thelium camerae anterioris 



Pars ciliaris retinae 

 Stratum pigmenti retinae 



Pars optica retinae 

 Ora serrata 



Chorioidea 



Spatium perichorioideale with the 

 lamina suprachorioidea 



I .Fibrae meridional es [Brueckei] 



^.Fibrae circulares [Muelleri] 

 .-Processus ciliaris 



^,. Fibrae zonulares 

 . Zonula ciliaris [Zinni] 

 g. Spatia zonularia 



Camera oculi posterior 



Epithelium lentis 

 -.:- Capsula lentis 



substantia 

 jorticalis 



M. ciliaris 



Jubstantia lentis 



M. sphincter pupillae 



Stroma iridis 



Facies posterior iridis with the 

 stratum pigmenti 



The upper half of a section in the vertical meridian of the anterior part of the eyeball. 

 (After Toldt, Anat. Atlas, Wien, 1903, 3 Aufl., p. 893, Fig. 1337.) 



N. opticus in a plane corresponding to the inner surface of the 

 sclera. Place the denuded eyeball in a dish of water and study 

 the sclera and cornea. 



