524 



ANATOMICAL TECHNOLOOT. 



Fig. 126.— DoEso-VBNTEAii (Verticai-) Section of the Cat's Left Eye, in situ. 



X about 2.5. 



surfaces of the membrana nictitans and the cephalic surface of the eyeball. It is indicated 

 by oblique cross lines. 



Cornea. — The transparent cephalic part of the eyeball. It is a continuation of the 

 sclerotica. Their junction is indicated by a dark band. 



Foramen opticum (Fm. op.). — Foramen for the optic nerve (Fig, 57, § 563). 



Foramen lacerum anterius (Fm. 1. a.) s. Fissura sphenoidalis. — A great many 

 structures traverse this foramen (§ 563), and from its lateral wall arise the ventral rectus 

 and the choanoid muscles. 



Foramen rotundum (Fm. rt.), (§ 563). 



Glandula Meibomiana (Gl. M.).— The Meibomian glands (§ 1401) pour out a seba- 

 ceous substance on the edge of the lids. 



