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THE EYE. 



fasciculi separated by the tarsus. (2) The connective tissue be- 

 tween the bundles of the musculus orbicularis oculi. (3) The con- 

 nective tissue lying behind the latter and the tarsus. In the upper 

 lid the connective tissue mentioned under 2 and 3 is connected with 

 the tendon of the musculus palpebralis superior. The latter is 

 composed of smooth muscle-fibers, and is regarded as a continua- 

 tion of the middle portion of the striated, voluntary musculus leva- 

 tor palpebr.ae superioris. The middle layer of the lower lid is struc- 



Fig. 365. Meibomian or tarsal gland, reconstructed after Horn's wax-plate method; 



X 20. 



turally analogous, except that here a fibrous expansion from the 

 sheath of the inferior rectus muscle takes the place of the levator 

 palpebrae. 



