Sclera in lobe-finned fishes, various reptiles, and birds. The ring has disappeared in many groups, including living amphibians, some reptiles and fish, and all mammals. The eyes of all non-human primates are dark with small, barely visible sclera. The collagen of the sclera is continuous with the cornea. From outer to innermost, the four layers of the sclera are: The sclera is opaque due to the irregularity of the Type I collagen fibers, as opposed to the near-uniform thickness and parallel arrangement of the corneal collagen. Moreover, the cornea bears more mucopolysaccharide (a carbohydrate that has among its repeating units a
Heart's Desire (The Outer Limits) Heart's Desire (The Outer Limits) "Heart's Desire" is an episode of "The Outer Limits" television show (new series). It was first aired on 28 February 1997, during the third season. It is set in the town of Heart's Desire in the Oregon Territory in 1872. In the episode, a visitor from another world takes over the body of a human preacher. He gives four outlaws a special energy power, which they can use to destroy anything they wish as long as they "want it more than anything else". The first outlaws to be given these powers are two friends, Frank