EYE 



463 



mucous glands occur. (It may be noted that the entire anterior cover- 

 ing of the bulb of the eye is named by some the conjunctiva bulbi, which 

 accordingly is divided into the conj. solera and the conj. cornets.) 



Superior 



tarsal Radiations 



muscle. from the tendon Orbicularis 



Conjunctiva. of the levator palpebrae. palpebrarum. 



Skin. 



Epithelium. -- 



Tunica 

 propria. 



Arcus 



tarseus 



ezternus. 



Papilla. 



Tarsus 



Epider- 

 mis. 



- Corium. 



Stratum 

 subcuta- 



neum. 



Sweat gland. 



Obliqu_e section of 



a hair sheath. 



Cross section of the 

 bundles of the 



orbicularis 

 palpebrarum. 



Tarsal gland.- 



Arcus tarseus. 



Part of a 

 ciliary gland. 



Cilium. 



Posterior edge of the lid. 



Musculus ciliaris (Riolani). 



FIG. 469. SAGITTAL SECTION OF THE UPPER LID OF A CHILD OF Six MONTHS. The outlet of the tarsal 

 gland was not in the plane of section. X 15. 



At the medial angle of the lids there is a thin fold of connective tissue 

 covered with stratified epithelium; this plica semilunaris is a rudimentary 

 third lid. The nodular elevation of tissue at the medial angle, the carun- 

 cula lacrimalis, resembles skin except that a stratum corneum is lacking; 



