852 



SPECIAL HISTOLOGY. 



distinctly manifest when the structure is teased out, or trans- 

 verse sections are treated with acetic acid. The bundles 

 themselves are straighter, in other respects as in the tendons, 



Fig. 296. 



Fig. 296. Transverse section through the tunics of the eye, in the region of the 

 ciliary processes, x 12 diam.: ScL, sclerotica; C, cornea; Pr.cil, processus ciliaris; 

 C.a, anterior chamber ; C.p, posterior chamber ; C.v, corpus vitreum ; C.P, canalis 

 Petiti; L, lens; I, iris; a, conjunctiva cornea, epithelium; b, homogeneous lamella 

 beneath, continuous with the conjunctiva sclerotica, x ; c, fibrous layer of the 

 cornea ; d, membr. Demoursii ; e, indication of its epithelium ; /, termination of the 

 membrana Demoursii, and its transition into peculiar fibres, g, which are continued 

 at i, upon the iris constituting the lig. pectinatum iridis ; h, canalis Schlemmii ; k, 

 musculus ciliaris s. tensor chorioidea springing from its inner wall, I; m, pigment 

 layer of the ciliary processes ; n, the iris ; o, fibrous layer of the iris ; p, indication 

 of its epithelium ; q, anterior wall of the capsule of the lens ; z, posterior wall ; r, 

 indication of the epithelium of the capsule ; t, zonida Zinnii, or anterior thickened 

 portion of the hyaloid membrane ; u, its free anterior lamina (proper zonida), in- 

 serted into the border of the lens ; v, its posterior lamina blended with the posterior 

 wall of the lenticular capsule ; w, colourless epithelium of the ciliary processes ; w\ 

 anterior termination of this epithelium. In part after Bowman. 



