602 



THE EYE 



The intermediate surface of the margin of the lid retains the 

 character of the skin, though no hairs are found in this portion. 



* 



FIG. 440. VERTICAL SECTION THROUGH THE UPPER EYELID. 



o, sweat glands ; oi, inferior arterial arch ; as, superior arterial arch ; 6, con- 

 junctival epithelium ; c, eyelashes ; co, rugated portion of the conjunctiva ; d, epidermis ; 

 e, fine hairs ; /, process of the levator palpebrae superioris which is inserted into the 

 skin ; 0, Meibomian gland ; ft, internal angle of the margin of the lid ; I, levator palpe- 

 brae superioris ; TO, duct of a Meibomian gland ; o, orbicularis palpebrarum ; p, supe- 

 rior palpebral muscle of Muiler ; r, ciliary muscle of Kiolani ; s, glands of Moll ; t, fibrous 

 tissue of the tarsus ; u, external angle of the margin of the lid ; w, posterior tarsal glands ; 

 z, sebaceous glands. (After Fuchs.) 



Peculiar sweat glands, the glands of Moll, occur in the derma of 

 this part. 



At the inner angle of the lid the epidermis abruptly changes its 



