STRUCTURE OF THE EYELIDS. 



259 



Meibomian glands, /), the ducts of which open at the edge of the eyelid. 

 The rest of the thickness of the eyelid is composed of a somewhat loose 

 connective tissue, and contains the bundles of the orbidtla/ris muscle (b). 

 In the upper eyelid the levatar palpebra? is inserted into the tarsus by a 

 fibrous expansion, and some bundles of involuntary muscle are also 



FIG. 288. VBBTICAL SECTION THROUGH THE UPPER EYELID. (Waldeyer.) 

 (Magnified.) 



a,, skin ; b, orbicularis ; b', ciliary bundle ; c, involuntary muscle of eyelid ; d, conjunctiva ; 

 e, tarsus with Meibomian gland ; /, duct of the gland ; g, sebaceous gland near eyelashes ; 

 h, eyelashes ; i, small hairs in outer skin ; j, sweat-glands ; k, posterior tarsal glands. 



present near the attachment of the eyelid. The skin has the usual 

 structure ; it contains small sweat-glands and the follicles of small 

 hairs, and, in addition, at the edge of the eyelid, the large hair-follicles 

 from which the eyelashes grow. The epithelium of the conjunctiva 



