Fig. 2. Transverse section of the human ciliary body. (From Lütjen-Drecoll E, Rohen JW: Pathology of the trabecular meshwork in primary open angle glaucoma. In Kaufman PL, Mittag TW, eds.: Glaucoma. Textbook of Ophthalmology Series, Vol. 7. New York: CV Mosby, 1994:1.1–1.16, with permission.)