Ligament of Zinn. The Ciliary Ligament or circle

Ligament of Zinn. The Ciliary L., or circle (annulus albidus), is the bond of union between the ex-ternal and middle tunics of the eyeball, andserves to connect the cornea and sclerotic, attheir line of junction, with the iris and external layer of the choroid. It is also the point towhich the ciliary nerves and vessels proceedpreviously to their distribution, and it receivesthe anterior ciliary arteries through ^he anteriormargin of the sclerotic.

Source: Ophthalmic Dictionary including pronunciation, derivation and definition of the words used in Optometry and Ophthalmology by James J. Lewis, Oph. D. Professor of Optometry in the Northern Illinois College of Ophthalmology and Otology, Chicago.