EYE 



457 



18 555 



Relations of the Eye and the Lacrymal Excretory 

 Apparatus. 



I, i. Canaliculi. 2, 2. Puncta lacrymalia. 3. 3. Inner extrem- 

 ity of tarsal cartilage. 4. 4. Free borders of lids. 5. Lac- 

 rymal sac. 6. Attachment to maxillary bone of superior 

 tendon. 7. Bifurcation of lacrymal sac. 8, 8. Two branches. 



Section of Ciliary 

 Body and Iris. 



i,i. Ciliary processes. 

 2, 2. Their base or 

 rounded extremity. 

 3,3. Their apex. 4. 

 A process with bi- 

 furcated extremity. 

 5. 5 . Reticulated 

 folds, or ciliary pro- 

 cesses of the second 

 order. 6.6. Venules 

 that emanate from 

 these. 7, 7 Ora ser- 

 rata of choroid. 8, 



8. Veins of choroid. 



9. Section of iris. 



10. 10. Circumfer- 

 ence of iris. 11, 11. 

 Small ring of iris. 

 12, 12. Large ring 

 of iris. 



Vertical Section Through the Upper Eyelid, 

 a. Cutis. 1. Epidermis. 2. Corium. b, 3. Subcutaneous con- 

 nective tissue, c, 7. Orbicularis muscle, d. Loose submus- 

 cular connective tissue. E. Insertion of H. Muller's muscle. 

 f. Tarsus, g. Conjunctiva, j. Inner; k. Outer edge of the 

 lid. 4. Pigment cells. 5. Sweat-glands. 6. Hair follicles. 

 8, 23. Sections of nerves. 9. Arteries. 10. Veins. 11. Cilia. 

 12. Modified sweat-glands. 13. Circular muscle of Riolan. 

 14- Meibomian gland. 15. Section of an acinus of the same. 

 16. Posterior tarsal glands 18, 19. Tissue of the tarsus._ 20. 

 Pretarsal or submuscular connective tissue. 21, 22. Conjunc- 

 tiva, with its epithelium. 24. Fat. 25. Looselv-woven pos- 

 terior end of the tarsus. 26. Section of a palpebral artery- 



