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. sclera and the conj. cornets.} 



Conjunctiva 



;arsal Radiations 



mscle. from the tendon Orbicularis 



of the levator palpebrae. palpebrarum. Skin. 



Epithelium. 



Tunica 

 propria. 



Arcus 



tarseus 

 ezternus. 



Papilla 



Tarsus 



Sweat gland. 



Oblique section of 

 a hair sheath. 



Cross section of the 

 bundles of the 



orbicularis 

 palpebrarum. 



Epider- 

 mis. 



Corium. 



Stratum 

 subcuta- 

 neum. 



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; 



