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PHYSIOLOGY. 



before passing into the choroid. After entering its substance they 

 go beneath the veins, while the latter (vasa vorticosa) receive their 

 tributaries as curved branches arranged in a peculiar form, which 



Fig. 326. Diagram of the Vessels of the Eye. (LEBEE.) 



I, Cornea. 2, Sclera. 3, Lens. 4, 4, Short ciliary nerves. 5, Long posterior 

 ciliary artery. 6, Anterior ciliary artery and vein. 7, Posterior conjunctival 

 artery and vein. 9, Vessels of the internal optic sheath. 8, Vessels of the 

 external optic sheath. 11, Vena vorticosa. 12, Posterior short ciliary vein. 13, 

 Branch of short posterior ciliary artery to the optic nerve. 14, Anastomosis of 

 choroidal vessels with those of the optic nerve. 15, Chorio-capillaris. 16, 

 Episcleral branches. 17, Recurrent choroidal artery. 18, Large arterial circle of 

 iris (transverse section). 19, Vessels of iris. 20, Ciliary process. 21, Branch 

 of vena vorticosa from the ciliary muscle. 22, Branch of anterior ciliary vein 

 from the ciliary muscle. 23, Canal of Schlemm. 24, Plexus of the corneal 

 margin. 25, Anterior conjunctival artery and vein. 



has been compared to the branching of a weeping willow, and form 

 four or five large trunks, which pierce the sclerotic half way between 

 the optic nerve entrance and the edge of the cornea. In the inter- 



