Veterian Key

Chapter 3 Third Eyelid INTRODUCTION The third eyelid (membrana nictitans) is composed of a T-shaped cartilage with the third eyelid lacrimal gland at its base, entirely covered with conjunctiva. The…

Chapter 6 Sclera INTRODUCTION The sclera is the fibrous outer coat of the eye—a continuation of the cornea, but, unlike the latter, nontransparent. Few conditions affect the sclera, and these…

Chapter 10 Vitreous INTRODUCTION The vitreous is a gel composed of collagen fibrils, mucopolysaccharides, and water (98%). It is normally optically transparent. It maintains the shape of the eye and…